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Metalworking (rec.crafts.metalworking) Discuss various aspects of working with metal, such as machining, welding, metal joining, screwing, casting, hardening/tempering, blacksmithing/forging, spinning and hammer work, sheet metal work. |
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#1
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WILLARD MITT ROMNEY: "I'M NOT CONCERNED WITH THE POOR!"
On Feb 14, 4:00*pm, Hawke wrote:
You don't trust my memory? Fine, check it out. Get Nader's new book and see if what I said is true. Then when you see it is it will confirm for you that my memory is fine. If I am not sure of something I say so. I specifically remember what Nader said about how many people were working at low pay jobs. You are the doubting Thomas here. You doubt both me and Nader. I'd say you ought to do some research on your own. But I know what you would find and that is what I said is accurate, and I think you don't want that to be the fact. So don't believe me and don't look it up for yourself. That way you can keep your present beliefs without really knowing the truth. Hawke I have told you before that I do not trust your memory. But if you will actually tell me which book and the page number, I will make an attempt to find it. I certainly am not going to read several books trying to find something that may not be there. So what is the book? What is the page? This is about a statement you made, and by any reasonable standard you are obligated to support your claims. So sport what is going to be? A claim based on a statement that you might remember or a statement backed up by a legitimate reference. You want to be believed, but are unwilling to name the book and at least the chapter. Maybe asking for the page is too much, but surely you can say which chapter. Dan |
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WILLARD MITT ROMNEY: "I'M NOT CONCERNED WITH THE POOR!"
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#4
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WILLARD MITT ROMNEY: "I'M NOT CONCERNED WITH THE POOR!"
On Feb 14, 8:46*pm, Hawke wrote:
And this is the last time I'm going to waste my time getting information for you just because you refuse to believe it. I told you I heard Nader say 150 million people are working at jobs that pay Walmart level wages, which are in the 7-10 dollar an hour range. I just went to book TV to check on it, just like you could have. The show was aired on Jan 30th. You can still watch it if you or Pimpton want to know the facts for yourself. So go see it for yourself if you can't trust a ****ing word I say. So watch it and see what I said is the truth, as always. Actually you have changed your statement. If I remember correctly you previously said that Ralph said one third of the work force was paid $10 an hour or less. Now you are saying 150 million people are working for wages in the 7 to 10 dollar area. So you see why I do not trust your memory. You are saying pretty much the same thing, but not exactly the same thing. I have checked the county library system and it does not have the book. Will try to find the TV program and see what Ralph Nader actually said. About thirty years ago Ralph Nader spoke in Bremerton, Wa. I am not sure what time of the year it was, but it was definitely not Aug. It was a typical cold rainy day, I think it was on a week end. In Bremerton they have a special word for a sunny day after two days of rain. They call it Monday. But anyway.... Ralph talked about how solar energy was going to be used to heat houses. The audience was amused, but did not buy into that claim. Not in that area. Dan Nader's book is called Getting Steamed to Overcome Corporatism: Build it together to win. You can watch the presentation on booktv.org if you care to learn something you don't know. You can do all the research on the book you want too. I have not read it as it is a new book. So there you are. There is all the information you need to verify everything I said. I expect you to report back soon to let me know what you found out. Hawke |
#5
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WILLARD MITT ROMNEY: "I'M NOT CONCERNED WITH THE POOR!"
On Feb 14, 8:46*pm, Hawke wrote:
And this is the last time I'm going to waste my time getting information for you just because you refuse to believe it. I told you I heard Nader say 150 million people are working at jobs that pay Walmart level wages, which are in the 7-10 dollar an hour range. I just went to book TV to check on it, just like you could have. The show was aired on Jan 30th. You can still watch it if you or Pimpton want to know the facts for yourself. So go see it for yourself if you can't trust a ****ing word I say. So watch it and see what I said is the truth, as always. Nader's book is called Getting Steamed to Overcome Corporatism: Build it together to win. You can watch the presentation on booktv.org if you care to learn something you don't know. You can do all the research on the book you want too. I have not read it as it is a new book. So there you are. There is all the information you need to verify everything I said. I expect you to report back soon to let me know what you found out. Hawke Well I found BookTV.org and even found the program on Jan 30 with Ralph Nader. Could you say where in the program you heard that statement? The show is an hour and twenty four minutes in length. I spot checked a bunch of places, but to me listening to Ralph for over an hour ranks as cruel and unusual punishment. Dan |
#6
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WILLARD MITT ROMNEY: "I'M NOT CONCERNED WITH THE POOR!"
On Feb 14, 8:46*pm, Hawke wrote:
I told you I heard Nader say 150 million people are working at jobs that pay Walmart level wages, which are in the 7-10 dollar an hour range. I just went to book TV to check on it, just like you could have. The show was aired on Jan 30th. You can still watch it if you or Pimpton want to know the facts for yourself. So go see it for yourself if you can't trust a ****ing word I say. So watch it and see what I said is the truth, as always. Hawke Well I went to the BLS and found that in Dec of 2011 the number of non farm employees was just over 133 million. Which does not agree with your statement that 150 million are employed at less than $10 / hour. Now the statistic I say was for non farm employees , but I am under the impression that farm labor is about 2 % of the total work force. So how do you reconcile that your figure of 150 million is more that the total work force? Did Ralph lie or did you not remember accurately? Dan |
#7
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WILLARD MITT ROMNEY: "I'M NOT CONCERNED WITH THE POOR!"
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#8
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WILLARD MITT ROMNEY: "I'M NOT CONCERNED WITH THE POOR!"
On 2/14/2012 5:46 PM, Hawke wrote:
On 2/14/2012 2:52 PM, wrote: I have told you before that I do not trust your memory. But if you will actually tell me which book and the page number, I will make an attempt to find it. I certainly am not going to read several books trying to find something that may not be there. So what is the book? What is the page? This is about a statement you made, and by any reasonable standard you are obligated to support your claims. So sport what is going to be? A claim based on a statement that you might remember or a statement backed up by a legitimate reference. You want to be believed, but are unwilling to name the book and at least the chapter. Maybe asking for the page is too much, but surely you can say which chapter. I don't really care if you folk believe me or not. You're a liar - you *do* care. |
#9
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WILLARD MITT ROMNEY: "I'M NOT CONCERNED WITH THE POOR!"
On Feb 15, 2:49*pm, Hawke wrote:
I only saw it once and can't tell you what he said verbatim. I wasn't taking notes or recording it. I just saw it the one time so of course I am not going to tell you what he said exactly the same every time. Hawke This is exactly why I do not trust what you say. I said I thought the numbers looked funny and that I did not believe them. And now you say you can not say exactly what he said. There is no way to find if Ralph said what you claimed, if what you claimed is not exactly what Ralph said. A suggestion. How about going by the local high school and volunteering to help the debate club faculty advisor. I think you could help the debate club and you might learn to be a better proponent of what you believe. I used to volunteer at the local high school in Washington State, but have not made the connection here. It is a bit tougher here as I used to help the art teacher fixing kilns and such. Here there is much less emphasis on art. I am volunteering at a local museum. Volunteering is a good way to help the community. Dan |
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WILLARD MITT ROMNEY: "I'M NOT CONCERNED WITH THE POOR!"
Hawke wrote:
But I also understand that Nader's statistics are going to be accurate while you get just about everything wrong. Hawke Any one can lie with statistics. [That's why they are so popular ( at least so a survey says, on a population of 2 with a +/- 3% margin of error)] jk |
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WILLARD MITT ROMNEY: "I'M NOT CONCERNED WITH THE POOR!"
On Feb 15, 2:52*pm, Hawke wrote:
What ignorant dolts like you don't know is that many times people give round numbers in a presentation. So 145 million might be called 150 million. I understand rounding is beyond your understanding. But I also understand that Nader's statistics are going to be accurate while you get just about everything wrong. Hawke The general rule when rounding a number ending in 5 is to round to an even number. So 145 million would be rounded to 140 million. 155 million would be rounded to 160 million. At least that is what is taught at most grade schools. Dan |
#12
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WILLARD MITT ROMNEY: "I'M NOT CONCERNED WITH THE POOR!"
On Wed, 15 Feb 2012 12:56:24 -0800 (PST), "
wrote: On Feb 15, 2:52*pm, Hawke wrote: What ignorant dolts like you don't know is that many times people give round numbers in a presentation. So 145 million might be called 150 million. I understand rounding is beyond your understanding. But I also understand that Nader's statistics are going to be accurate while you get just about everything wrong. Hawke The general rule when rounding a number ending in 5 is to round to an even number. So 145 million would be rounded to 140 million. 155 million would be rounded to 160 million. At least that is what is taught at most grade schools. Dan Nope. Not for around 50 years. That could be 45 years, or 54 years... -- Ed Huntress |
#13
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WILLARD MITT ROMNEY: "I'M NOT CONCERNED WITH THE POOR!"
On 2/15/2012 11:40 AM, Hawke wrote:
On 2/14/2012 6:33 PM, George Plimpton wrote: On 2/14/2012 5:46 PM, Hawke wrote: On 2/14/2012 2:52 PM, wrote: I have told you before that I do not trust your memory. But if you will actually tell me which book and the page number, I will make an attempt to find it. I certainly am not going to read several books trying to find something that may not be there. So what is the book? What is the page? This is about a statement you made, and by any reasonable standard you are obligated to support your claims. So sport what is going to be? A claim based on a statement that you might remember or a statement backed up by a legitimate reference. You want to be believed, but are unwilling to name the book and at least the chapter. Maybe asking for the page is too much, but surely you can say which chapter. I don't really care if you folk believe me or not. You clearly only allow yourself to believe the few things you want to believe and You clearly believe only the things left-wing demagogues tell you to believe. Not quite. I only believe what the facts tell me. No, because you disregard facts. You substitute ideology for facts. What you believe is ideological dogma, not facts. |
#14
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WILLARD MITT ROMNEY: "I'M NOT CONCERNED WITH THE POOR!"
On 2/15/2012 11:52 AM, Hawke wrote:
On 2/14/2012 8:45 PM, George Plimpton wrote: On 2/14/2012 8:40 PM, wrote: On Feb 14, 8:46 pm, wrote: I told you I heard Nader say 150 million people are working at jobs that pay Walmart level wages, which are in the 7-10 dollar an hour range. I just went to book TV to check on it, just like you could have. The show was aired on Jan 30th. You can still watch it if you or Pimpton want to know the facts for yourself. So go see it for yourself if you can't trust a ****ing word I say. So watch it and see what I said is the truth, as always. Hawke Well I went to the BLS and found that in Dec of 2011 the number of non farm employees was just over 133 million. Which does not agree with your statement that 150 million are employed at less than $10 / hour. Now the statistic I say was for non farm employees , but I am under the impression that farm labor is about 2 % of the total work force. So how do you reconcile that your figure of 150 million is more that the total work force? Did Ralph lie or did you not remember accurately? Dan The problem with extravagantly lying polemicists like Hawke-Ptooey is they never stop to think if their lies are entirely plausible. He would know - just barely - not to say that the number of people earning $10 an hour or less is not 400 million or more, but to expect that he'd know the size of the workforce, and what a plausible part of it might be to meet his criterion, is just asking too much. What ignorant dolts like you don't know is that many times people give round numbers in a presentation. So 145 million might be called 150 million. I understand rounding is beyond your understanding. But I also understand that Nader's statistics are going to be accurate while you get just about everything wrong. You claim that St. Ralph said that 150 million working people earn less than $10 per hour. Considering that there are only 132 million non-farm employees *TOTAL*, either Nader is lying, your have misreported what he said. Here is the source: ftp://ftp.bls.gov/pub/suppl/empsit.ceseeb3.txt That, by the way, is the correct way to give a source. Learn from it. |
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WILLARD MITT ROMNEY: "I'M NOT CONCERNED WITH THE POOR!"
On 2/15/2012 1:03 PM, George Plimpton wrote:
I don't really care if you folk believe me or not. You clearly only allow yourself to believe the few things you want to believe and You clearly believe only the things left-wing demagogues tell you to believe. Not quite. I only believe what the facts tell me. No, because you disregard facts. You substitute ideology for facts. What you believe is ideological dogma, not facts. More baseless claims from you again! Hawke |
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WILLARD MITT ROMNEY: "I'M NOT CONCERNED WITH THE POOR!"
On 2/15/2012 12:44 PM, jk wrote:
wrote: But I also understand that Nader's statistics are going to be accurate while you get just about everything wrong. Hawke Any one can lie with statistics. [That's why they are so popular ( at least so a survey says, on a population of 2 with a +/- 3% margin of error)] jk Anyone can but honest people don't. You won't see me do that. When you see people lying with statistics just understand they are basically dishonest people. Hawke |
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WILLARD MITT ROMNEY: "I'M NOT CONCERNED WITH THE POOR!"
On 2/15/2012 1:01 PM, Ed Huntress wrote:
On Wed, 15 Feb 2012 12:56:24 -0800 (PST), " wrote: On Feb 15, 2:52 pm, wrote: What ignorant dolts like you don't know is that many times people give round numbers in a presentation. So 145 million might be called 150 million. I understand rounding is beyond your understanding. But I also understand that Nader's statistics are going to be accurate while you get just about everything wrong. Hawke The general rule when rounding a number ending in 5 is to round to an even number. So 145 million would be rounded to 140 million. 155 million would be rounded to 160 million. At least that is what is taught at most grade schools. Dan Nope. Not for around 50 years. That could be 45 years, or 54 years... He misses the point no matter what I tell him. He did it again here. Hawke |
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WILLARD MITT ROMNEY: "I'M NOT CONCERNED WITH THE POOR!"
On 2/15/2012 1:13 PM, George Plimpton wrote:
You claim that St. Ralph said that 150 million working people earn less than $10 per hour. Considering that there are only 132 million non-farm employees *TOTAL*, either Nader is lying, your have misreported what he said. Here is the source: ftp://ftp.bls.gov/pub/suppl/empsit.ceseeb3.txt That, by the way, is the correct way to give a source. Learn from it. Okay, it's possible that I forgot the number he used. I only saw the program once and it was more than two weeks ago. In my memory he said 150 million. I don't know if that was rounded off or an exact number. It's possible he said something else. It's possible I didn't get the figure he used right. But I only said it's possible. Say I was wrong and he said 130 million and I mistakenly said it was 150 million. What difference would that make? The point he was making was that a huge number of workers are working at very low paying jobs. Whether I got the number right is irrelevant to the real point. I still think he said 150 million. I'm not saying I'm infallible so I could have made a mistake but the point was about what a huge percentage of the population is making ten bucks an hour or less and that is undeniable. Of course, I'm still waiting for a single one of you to watch the show and confirm or deny what I reported. Being the lazy bums you are I'm pretty sure not a damn one of you will really check it out. So until one of you does then what I say still stands as true. Hawke |
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WILLARD MITT ROMNEY: "I'M NOT CONCERNED WITH THE POOR!"
On 2/15/2012 2:20 PM, Hawke wrote:
On 2/15/2012 1:03 PM, George Plimpton wrote: I don't really care if you folk believe me or not. You clearly only allow yourself to believe the few things you want to believe and You clearly believe only the things left-wing demagogues tell you to believe. Not quite. I only believe what the facts tell me. No, because you disregard facts. You substitute ideology for facts. What you believe is ideological dogma, not facts. More baseless claims from you again! Nope. You prove it in every post. |
#20
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WILLARD MITT ROMNEY: "I'M NOT CONCERNED WITH THE POOR!"
On 2/15/2012 2:21 PM, Hawke wrote:
On 2/15/2012 12:44 PM, jk wrote: wrote: But I also understand that Nader's statistics are going to be accurate while you get just about everything wrong. Hawke Any one can lie with statistics. [That's why they are so popular ( at least so a survey says, on a population of 2 with a +/- 3% margin of error)] jk Anyone can but honest people don't. Just how is it that you're saying St. Ralph claimed that more people than are in the entire civilian labor force earn less than $10 per hour? |
#21
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WILLARD MITT ROMNEY: "I'M NOT CONCERNED WITH THE POOR!"
Hawke wrote:
On 2/15/2012 1:13 PM, George Plimpton wrote: You claim that St. Ralph said that 150 million working people earn less than $10 per hour. Considering that there are only 132 million non-farm employees *TOTAL*, either Nader is lying, your have misreported what he said. Say I was wrong and he said 130 million and I mistakenly said it was 150 million. What difference would that make? The point he was making was that a huge number of workers are working at very low paying jobs. Whether I got the number right is irrelevant to the real point. No it isn't if he said 130, then he is still saying that something like 97% of all working people earn less than $10/hr, an UNLIKELY number. Either number would indicate that your Sainted Ralph, was wrong. More than likely you are wrong, and he didn't say what you remember. jk |
#22
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WILLARD MITT ROMNEY: "I'M NOT CONCERNED WITH THE POOR!"
On Feb 15, 4:01 pm, Ed Huntress wrote:
On Wed, 15 Feb 2012 12:56:24 -0800 (PST), " wrote: On Feb 15, 2:52 pm, Hawke wrote: What ignorant dolts like you don't know is that many times people give round numbers in a presentation. So 145 million might be called 150 million. I understand rounding is beyond your understanding. But I also understand that Nader's statistics are going to be accurate while you get just about everything wrong. Hawke The general rule when rounding a number ending in 5 is to round to an even number. So 145 million would be rounded to 140 million. 155 million would be rounded to 160 million. At least that is what is taught at most grade schools. Dan Nope. Not for around 50 years. That could be 45 years, or 54 years... -- Ed Huntress From Wiki. Dan A tie-breaking rule that is even less biased is round half to even, namely * If the fraction of y is 0.5, then q is the even integer nearest to y. Thus, for example, +23.5 becomes +24, +22.5 becomes +22, -22.5 becomes -22, and -23.5 becomes -24. This method also treats positive and negative values symmetrically, and therefore is free of overall bias if the original numbers are positive or negative with equal probability. In addition, for most reasonable distributions of y values, the expected (average) value of the rounded numbers is essentially the same as that of the original numbers, even if the latter are all positive (or all negative). However, this rule will still introduce a positive bias for even numbers (including zero), and a negative bias for the odd ones. This variant of the round-to-nearest method is also called unbiased rounding, convergent rounding, statistician's rounding, Dutch rounding, Gaussian rounding, odd-even rounding[2] or bankers' rounding. This is widely used in bookkeeping. This is the default rounding mode used in IEEE 754 computing functions and operators. |
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WILLARD MITT ROMNEY: "I'M NOT CONCERNED WITH THE POOR!"
On Feb 15, 5:36*pm, Hawke wrote:
On 2/15/2012 1:13 PM, George Plimpton wrote: You claim that St. Ralph said that 150 million working people earn less than $10 per hour. Considering that there are only 132 million non-farm employees *TOTAL*, either Nader is lying, your have misreported what he said. Here is the source:ftp://ftp.bls.gov/pub/suppl/empsit.ceseeb3.txtThat, by the way, is the correct way to give a source. Learn from it. Okay, it's possible that I forgot the number he used. I only saw the program once and it was more than two weeks ago. In my memory he said 150 million. I don't know if that was rounded off or an exact number. It's possible he said something else. It's possible I didn't get the figure he used right. But I only said it's possible. Say I was wrong and he said 130 million and I mistakenly said it was 150 million. What difference would that make? The point he was making was that a huge number of workers are working at very low paying jobs. Whether I got the number right is irrelevant to the real point. I still think he said 150 million. I'm not saying I'm infallible so I could have made a mistake but the point was about what a huge percentage of the population is making ten bucks an hour or less and that is undeniable. Of course, I'm still waiting for a single one of you to watch the show and confirm or deny what I reported. Being the lazy bums you are I'm pretty sure not a damn one of you will really check it out. So until one of you does then what I say still stands as true. Hawke Until you provide a cite that can be checked reasonably the statement stands as a Hawke statement which is not verified. No way does it stand as true. Dan |
#24
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WILLARD MITT ROMNEY: "I'M NOT CONCERNED WITH THE POOR!"
On Wed, 15 Feb 2012 17:26:19 -0800 (PST), "
wrote: On Feb 15, 4:01 pm, Ed Huntress wrote: On Wed, 15 Feb 2012 12:56:24 -0800 (PST), " wrote: On Feb 15, 2:52 pm, Hawke wrote: What ignorant dolts like you don't know is that many times people give round numbers in a presentation. So 145 million might be called 150 million. I understand rounding is beyond your understanding. But I also understand that Nader's statistics are going to be accurate while you get just about everything wrong. Hawke The general rule when rounding a number ending in 5 is to round to an even number. So 145 million would be rounded to 140 million. 155 million would be rounded to 160 million. At least that is what is taught at most grade schools. Dan Nope. Not for around 50 years. That could be 45 years, or 54 years... -- Ed Huntress From Wiki. Dan A tie-breaking rule that is even less biased is round half to even, namely * If the fraction of y is 0.5, then q is the even integer nearest to y. Thus, for example, +23.5 becomes +24, +22.5 becomes +22, -22.5 becomes -22, and -23.5 becomes -24. This method also treats positive and negative values symmetrically, and therefore is free of overall bias if the original numbers are positive or negative with equal probability. In addition, for most reasonable distributions of y values, the expected (average) value of the rounded numbers is essentially the same as that of the original numbers, even if the latter are all positive (or all negative). However, this rule will still introduce a positive bias for even numbers (including zero), and a negative bias for the odd ones. This variant of the round-to-nearest method is also called unbiased rounding, convergent rounding, statistician's rounding, Dutch rounding, Gaussian rounding, odd-even rounding[2] or bankers' rounding. This is widely used in bookkeeping. This is the default rounding mode used in IEEE 754 computing functions and operators. Hey, Dan, IEEE isn't "most grade schools." Here's most grade schools: http://mathforum.org/library/drmath/view/58970.html And that's what my wife teaches to her 3rd graders, as do most elementary teachers in the US...as they have for decades. -- Ed Huntress |
#25
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WILLARD MITT ROMNEY: "I'M NOT CONCERNED WITH THE POOR!"
On Feb 15, 8:50*pm, Ed Huntress wrote:
On Wed, 15 Feb 2012 17:26:19 -0800 (PST), " wrote: On Feb 15, 4:01 pm, Ed Huntress wrote: On Wed, 15 Feb 2012 12:56:24 -0800 (PST), " wrote: On Feb 15, 2:52 pm, Hawke wrote: What ignorant dolts like you don't know is that many times people give round numbers in a presentation. So 145 million might be called 150 million. I understand rounding is beyond your understanding. But I also understand that Nader's statistics are going to be accurate while you get just about everything wrong. Hawke The general rule when rounding a number ending in 5 is to round to an even number. *So 145 million would be rounded to 140 million. *155 million would be rounded to 160 million. *At least that is what is taught at most grade schools. * * * * * * * * * * * * * * * * * * * * * * * * * * * * Dan Nope. Not for around 50 years. That could be 45 years, or 54 years... -- Ed Huntress From Wiki. * * * * * * * * * * *Dan A tie-breaking rule that is even less biased is round half to even, namely * ** If the fraction of y is 0.5, then q is the even integer nearest to y. Thus, for example, +23.5 becomes +24, +22.5 becomes +22, -22.5 becomes -22, and -23.5 becomes -24. This method also treats positive and negative values symmetrically, and therefore is free of overall bias if the original numbers are positive or negative with equal probability. In addition, for most reasonable distributions of y values, the expected (average) value of the rounded numbers is essentially the same as that of the original numbers, even if the latter are all positive (or all negative). However, this rule will still introduce a positive bias for even numbers (including zero), and a negative bias for the odd ones. This variant of the round-to-nearest method is also called unbiased rounding, convergent rounding, statistician's rounding, Dutch rounding, Gaussian rounding, odd-even rounding[2] or bankers' rounding. This is widely used in bookkeeping. This is the default rounding mode used in IEEE 754 computing functions and operators. Hey, Dan, IEEE isn't "most grade schools." Here's most grade schools: http://mathforum.org/library/drmath/view/58970.html And that's what my wife teaches to her 3rd graders, as do most elementary teachers in the US...as they have for decades. -- Ed Huntress Maybe that is what they teach in New Jersey. But Wiki says the rule I quoted is taught in grade schools. It certainly is within the capability of kids in the fifth grade and is what I learned in grade school. Do you really think it is that hard an idea to learn? Dan |
#26
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WILLARD MITT ROMNEY: "I'M NOT CONCERNED WITH THE POOR!"
On Wed, 15 Feb 2012 17:59:23 -0800 (PST), "
wrote: On Feb 15, 8:50*pm, Ed Huntress wrote: On Wed, 15 Feb 2012 17:26:19 -0800 (PST), " wrote: On Feb 15, 4:01 pm, Ed Huntress wrote: On Wed, 15 Feb 2012 12:56:24 -0800 (PST), " wrote: On Feb 15, 2:52 pm, Hawke wrote: What ignorant dolts like you don't know is that many times people give round numbers in a presentation. So 145 million might be called 150 million. I understand rounding is beyond your understanding. But I also understand that Nader's statistics are going to be accurate while you get just about everything wrong. Hawke The general rule when rounding a number ending in 5 is to round to an even number. *So 145 million would be rounded to 140 million. *155 million would be rounded to 160 million. *At least that is what is taught at most grade schools. * * * * * * * * * * * * * * * * * * * * * * * * * * * * Dan Nope. Not for around 50 years. That could be 45 years, or 54 years... -- Ed Huntress From Wiki. * * * * * * * * * * *Dan A tie-breaking rule that is even less biased is round half to even, namely * ** If the fraction of y is 0.5, then q is the even integer nearest to y. Thus, for example, +23.5 becomes +24, +22.5 becomes +22, -22.5 becomes -22, and -23.5 becomes -24. This method also treats positive and negative values symmetrically, and therefore is free of overall bias if the original numbers are positive or negative with equal probability. In addition, for most reasonable distributions of y values, the expected (average) value of the rounded numbers is essentially the same as that of the original numbers, even if the latter are all positive (or all negative). However, this rule will still introduce a positive bias for even numbers (including zero), and a negative bias for the odd ones. This variant of the round-to-nearest method is also called unbiased rounding, convergent rounding, statistician's rounding, Dutch rounding, Gaussian rounding, odd-even rounding[2] or bankers' rounding. This is widely used in bookkeeping. This is the default rounding mode used in IEEE 754 computing functions and operators. Hey, Dan, IEEE isn't "most grade schools." Here's most grade schools: http://mathforum.org/library/drmath/view/58970.html And that's what my wife teaches to her 3rd graders, as do most elementary teachers in the US...as they have for decades. -- Ed Huntress Maybe that is what they teach in New Jersey. But Wiki says the rule I quoted is taught in grade schools. Yeah? Well, they're wrong. This is how it's really taught: http://www.myschoolhouse.com/courses/O/1/16.asp http://www.mathcats.com/grownupcats/...krounding.html http://mathandreadinghelp.org/elemen...g_numbers.html http://www.wyzant.com/Help/Math/Elem...g_Numbers.aspx http://www.aaamath.com/g32_rox1.htm It certainly is within the capability of kids in the fifth grade and is what I learned in grade school. Do you really think it is that hard an idea to learn? I said nothing about that. I said that what YOU said is incorrect -- they don't teach that in "most grade schools." -- Ed Huntress Dan |
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WILLARD MITT ROMNEY: "I'M NOT CONCERNED WITH THE POOR!"
On Feb 15, 9:27*pm, Ed Huntress wrote:
I said nothing about that. I said that what YOU said is incorrect -- they don't teach that in "most grade schools." -- Ed Huntress Maybe not, I certainly am not going to try to prove it either way and doubt if you really know what is taught it most grade schools. But one of the Wiki authors said it was what was taught in most grade schools. And it my opinion it is what ought to be taught in grade school. Dan |
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WILLARD MITT ROMNEY: "I'M NOT CONCERNED WITH THE POOR!"
On Thu, 16 Feb 2012 05:09:22 -0800 (PST), "
wrote: On Feb 15, 9:27*pm, Ed Huntress wrote: I said nothing about that. I said that what YOU said is incorrect -- they don't teach that in "most grade schools." -- Ed Huntress Maybe not, I certainly am not going to try to prove it either way and doubt if you really know what is taught it most grade schools. I don't care what you doubt, Dan. You're such a contrarion that you'd question whether the sun rose in the east this morning. Search Google with these terms in quotes, on one line: ["round half up" "grade school"]. You'll see how it's done. Or search ERIC. It's loaded with references to rounding as it's taught in 3rd grade math. It's round-half-up. That appears to be true, also, in Canada and in the UK, based on the ERIC references. Other methods may be taught in advanced classes, but that's not what you claimed. You said "most." But one of the Wiki authors said it was what was taught in most grade schools. I didn't see it in the Wikipedia article for "rounding." Where did you see it? And it my opinion it is what ought to be taught in grade school. shrug Rounding is taught in most elementary school as a way to understand place value, as an aid to quick problem-solving, and to help with some other concepts. If you're going to get into other methods of rounding, you also need to get into an explanation of rounding biases, or you're not teaching anything. I was taught that in high school, and in 5th grade, where I was in a very advanced class, my teacher introduced the subject of rounding baises and alternate methods of rounding. That was not in NJ. That was in PA. As for what should be taught in math, that's a very interesting subject. If you want to get into it, search ERIC. Searching inside your head will just lead you in endless loops. -- Ed Huntress Dan |
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WILLARD MITT ROMNEY: "I'M NOT CONCERNED WITH THE POOR!"
On 2/18/2012 3:13 AM, Ed Huntress wrote:
shrug Rounding is taught in most elementary school as a way to understand place value, as an aid to quick problem-solving, and to help with some other concepts. If you're going to get into other methods of rounding, you also need to get into an explanation of rounding biases, or you're not teaching anything. I was taught that in high school, and in 5th grade, where I was in a very advanced class, my teacher introduced the subject of rounding baises and alternate methods of rounding. That was not in NJ. That was in PA. As for what should be taught in math, that's a very interesting subject. If you want to get into it, search ERIC. Searching inside your head will just lead you in endless loops. Every CAD system I've used rounded half up when displaying dimensions. I've never seen an option for changing to another system. OTOH, I've never specifically looked. :^) David |
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WILLARD MITT ROMNEY: "I'M NOT CONCERNED WITH THE POOR!"
On Sat, 18 Feb 2012 07:09:21 -0600, "David R. Birch"
wrote: On 2/18/2012 3:13 AM, Ed Huntress wrote: shrug Rounding is taught in most elementary school as a way to understand place value, as an aid to quick problem-solving, and to help with some other concepts. If you're going to get into other methods of rounding, you also need to get into an explanation of rounding biases, or you're not teaching anything. I was taught that in high school, and in 5th grade, where I was in a very advanced class, my teacher introduced the subject of rounding baises and alternate methods of rounding. That was not in NJ. That was in PA. As for what should be taught in math, that's a very interesting subject. If you want to get into it, search ERIC. Searching inside your head will just lead you in endless loops. Every CAD system I've used rounded half up when displaying dimensions. I've never seen an option for changing to another system. OTOH, I've never specifically looked. :^) David It seems that most of the discussion about it these days concerns computer programming. That and 3rd-grade math instruction were the two things that kept popping up when I did a couple of Google searches. -- Ed Huntress |
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WILLARD MITT ROMNEY: "I'M NOT CONCERNED WITH THE POOR!"
On Feb 18, 4:13*am, Ed Huntress wrote:
On Thu, 16 Feb 2012 05:09:22 -0800 (PST), " wrote: On Feb 15, 9:27*pm, Ed Huntress wrote: I said nothing about that. I said that what YOU said is incorrect -- they don't teach that in "most grade schools." -- Ed Huntress Maybe not, *I certainly am not going to try to prove it either way and doubt if you really know what is taught it most grade schools. I don't care what you doubt, Dan. You're such a contrarion that you'd question whether the sun rose in the east this morning. Search Google with these terms in quotes, on one line: ["round half up" "grade school"]. You'll see how it's done. Or search ERIC. It's loaded with references to rounding as it's taught in 3rd grade math. It's round-half-up. That appears to be true, also, in Canada and in the UK, based on the ERIC references. Other methods may be taught in advanced classes, but that's not what you claimed. You said "most." *But one of the Wiki authors *said it was what was taught in most grade schools. I didn't see it in the Wikipedia article for "rounding." Where did you see it? *And it my opinion it is what ought to be taught in grade school. shrug Rounding is taught in most elementary school as a way to understand place value, as an aid to quick problem-solving, and to help with some other concepts. If you're going to get into other methods of rounding, you also need to get into an explanation of rounding biases, or you're not teaching anything. I was taught that in high school, and in 5th grade, where I was in a very advanced class, my teacher introduced the subject of rounding baises and alternate methods of rounding. That was not in NJ. That was in PA. As for what should be taught in math, that's a very interesting subject. If you want to get into it, search ERIC. Searching inside your head will just lead you in endless loops. -- Ed Huntress * * * * * * * * * * * * * * * * * * * * * * * * * Dan Sometimes you need to read what I wrote. As I recall I never said squat about the third grade. I said grade schools. I think that includes grades up to the seventh grade. Maybe only up to the fifth grade. They did not have middle schools when I was in school. Anyway what I was trying to say is they taught rounding in grade school so one did not get rounding biases. Not in the first grade, but by the time one graduated from grade school. You said yourself that you learned this in grade school, but in the fifth grade in an advanced class. I think they teach how to round without biasing in somewhere around the fifth to seventh grade. So do you really know that they do not teach rounding without bias in most grade schools? Grade school being the first six or eight grades? I am reasonably sure I learned that before high school. Dan |
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WILLARD MITT ROMNEY: "I'M NOT CONCERNED WITH THE POOR!"
On Sat, 18 Feb 2012 18:49:36 -0800 (PST), "
wrote: On Feb 18, 4:13*am, Ed Huntress wrote: On Thu, 16 Feb 2012 05:09:22 -0800 (PST), " wrote: On Feb 15, 9:27*pm, Ed Huntress wrote: I said nothing about that. I said that what YOU said is incorrect -- they don't teach that in "most grade schools." -- Ed Huntress Maybe not, *I certainly am not going to try to prove it either way and doubt if you really know what is taught it most grade schools. I don't care what you doubt, Dan. You're such a contrarion that you'd question whether the sun rose in the east this morning. Search Google with these terms in quotes, on one line: ["round half up" "grade school"]. You'll see how it's done. Or search ERIC. It's loaded with references to rounding as it's taught in 3rd grade math. It's round-half-up. That appears to be true, also, in Canada and in the UK, based on the ERIC references. Other methods may be taught in advanced classes, but that's not what you claimed. You said "most." *But one of the Wiki authors *said it was what was taught in most grade schools. I didn't see it in the Wikipedia article for "rounding." Where did you see it? *And it my opinion it is what ought to be taught in grade school. shrug Rounding is taught in most elementary school as a way to understand place value, as an aid to quick problem-solving, and to help with some other concepts. If you're going to get into other methods of rounding, you also need to get into an explanation of rounding biases, or you're not teaching anything. I was taught that in high school, and in 5th grade, where I was in a very advanced class, my teacher introduced the subject of rounding baises and alternate methods of rounding. That was not in NJ. That was in PA. As for what should be taught in math, that's a very interesting subject. If you want to get into it, search ERIC. Searching inside your head will just lead you in endless loops. -- Ed Huntress * * * * * * * * * * * * * * * * * * * * * * * * * Dan Sometimes you need to read what I wrote. As I recall I never said squat about the third grade. I said grade schools. Round-half-up is what is taught to most grade-school students. I think that includes grades up to the seventh grade. Maybe only up to the fifth grade. They did not have middle schools when I was in school. Anyway what I was trying to say is they taught rounding in grade school so one did not get rounding biases. Not in the first grade, but by the time one graduated from grade school. You said yourself that you learned this in grade school, but in the fifth grade in an advanced class. I think they teach how to round without biasing in somewhere around the fifth to seventh grade. They teach round-half-up. Rounding bias and alternative methods of rounding become issues in computational and numerical methods, in computer science, in engineering and higher-level science. Not in grade schools. So do you really know that they do not teach rounding without bias in most grade schools? First, there is no "rounding without bias." It's a question of which kind of bias is appropriate to the computational problems you're trying to solve. The method you mentioned earlier, for example, expands the randomness of individual results in order to achieve a greater overall statistical accuracy. You don't know if any individual result is more accurate than it would be if you stuck to round-half-up. You've intentionally introduced a systematic bias to compensate for another systematic bias, on the average. You haven't produced more accurate individual results. Grade school being the first six or eight grades? I am reasonably sure I learned that before high school. You may have. Most students are just taught round-half-up in grade school. It's not a big deal today. It's taught as part of the units on estimating and "mental arithmetic." My son, a graduate student in mathematics at Georgetown, says he barely remembers rounding bias, which he was taught in AP math in high school. It probably was related to computer science. He has taken advanced classes in numerical methods and he says it never came up. When I was in 5th grade, I was one of the early victims of "New Math." I vaguely remember that it was taught when we were learning about number lines, truncating decimal fractions, and so on. Maybe they thought we were all going to be computer scientists. g My wife got her elementary education degree in 1971, in Michigan. She recently got her masters, in New Jersey. She doesn't recall ever being taught about rounding bias, nor has it ever come up in her math education workshops or classes. I still don't see where you got your reference in Wikipedia. The section on rounding just identifies round-half-up as one of the "two" rounding methods taught in elementary school. It doesn't identify the other one. And Wiki has a note on it that it needs a citation. I think it's just a screw-up. -- Ed Huntress Dan |
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WILLARD MITT ROMNEY: "I'M NOT CONCERNED WITH THE POOR!"
On Feb 19, 11:21*am, Ed Huntress wrote:
When I was in 5th grade, I was one of the early victims of "New Math." I vaguely remember that it was taught when we were learning about number lines, truncating decimal fractions, and so on. Maybe they thought we were all going to be computer scientists. g Ed Huntress It is not important for computer science. It is important for bankers. Dan |
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WILLARD MITT ROMNEY: "I'M NOT CONCERNED WITH THE POOR!"
On Sun, 19 Feb 2012 15:15:52 -0800 (PST), "
wrote: On Feb 19, 11:21*am, Ed Huntress wrote: When I was in 5th grade, I was one of the early victims of "New Math." I vaguely remember that it was taught when we were learning about number lines, truncating decimal fractions, and so on. Maybe they thought we were all going to be computer scientists. g Ed Huntress It is not important for computer science. It is important for bankers. Dan Maybe my banker needs an upgrade then. That could be the problem here. d8-) But rounding is a significant issue in computer science, somewhere. Maybe it's in programming, or maybe elsewhere. It's not something I worry about. -- Ed Huntress |
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