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math question
https://mail.chicagofanatics.com/viewtopic.php?f=47&t=88760
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Author:  IkeSouth [ Thu Aug 28, 2014 8:52 pm ]
Post subject:  math question

If you lined up everyone (over 21) on earth, what would the average height difference be between everyone?

Author:  Hatchetman [ Thu Aug 28, 2014 8:59 pm ]
Post subject:  Re: math question

i was told there would be no math.

Author:  IkeSouth [ Thu Aug 28, 2014 9:05 pm ]
Post subject:  Re: math question

U can just suck Blondie its ok

Author:  bigfan [ Thu Aug 28, 2014 9:58 pm ]
Post subject:  Re: math question

Do you smoke every night? Blunt? or are you pulling bongs? Hookah?

Author:  IkeSouth [ Sat Aug 30, 2014 10:24 am ]
Post subject:  Re: math question

bigfan wrote:
Do you smoke every night? Blunt? or are you pulling bongs? Hookah?


so?

Author:  Nas [ Sat Aug 30, 2014 7:29 pm ]
Post subject:  Re: math question

Is this your work Steve?

Image

Author:  newper [ Sat Aug 30, 2014 7:54 pm ]
Post subject:  Re: math question

The average height difference would be zero.

Author:  IkeSouth [ Sat Aug 30, 2014 10:10 pm ]
Post subject:  Re: math question

you guys dont get it.

if you took everyone in the world over 21 (unless theyre hot) and you lined them up side by side in chromeillogical order... and you recorded the height difference between the first and second person, say .01", and then you did that to the 2nd and 3rd person, say .13", and you kept doing that until you were done, you would end up with a lot of numbers. then, take all of those numbers and add them together, then divide by how many measurements you took. that would give you the average height discrepancy from every adult on the planet..

Author:  newper [ Sun Aug 31, 2014 2:51 am ]
Post subject:  Re: math question

IkeSouth wrote:
you guys dont get it.

if you took everyone in the world over 21 (unless theyre hot) and you lined them up side by side in chromeillogical order... and you recorded the height difference between the first and second person, say .01", and then you did that to the 2nd and 3rd person, say .13", and you kept doing that until you were done, you would end up with a lot of numbers. then, take all of those numbers and add them together, then divide by how many measurements you took. that would give you the average height discrepancy from every adult on the planet..

Yes, the average difference would be zero. If one guy is 5'8 and another guy is 6'5, then the difference between A and B is +9 inches and the difference between B and A would be -9 inches. The average of those two differences would be zero.

If you are looking at only absolute values of one comparison, then it is an entirely different scenario. Obviously the lowest a difference could be would be zero, and the highest would be the difference between the shortest person and tallest person (according to current estimates the shortest person is 1'9" and the tallest person is 8'3" which is a 6.5' differnce.) Assuming that heights are roughly allocated around an exponential curve of some sort, the majority of differences will be fairly small -- i.e., the key information you need is the standard deviation from the mean. In the US, we use a baseline of 70" as the average height with a standard deviation of 3"... this means that 68% of men fall within a 67"-73" range, and 99.5% of men fall in a 64"-76" range. Just plug in the values for the world (as opposed to the US) into this and you'll have your answer (since the variable is absolutely continuous):

Image

Author:  IkeSouth [ Sun Aug 31, 2014 9:59 am ]
Post subject:  Re: math question

no you narrow minded ray charles. i said a to b then b to c and so on. the answer would be anything but zero.

Author:  bigfan [ Sun Aug 31, 2014 10:02 am ]
Post subject:  Re: math question

IkeSouth wrote:
no you narrow minded ray charles. i said a to b then b to c and so on. the answer would be anything but zero.


Z to a would zero it out

but why?

Author:  IkeSouth [ Sun Aug 31, 2014 6:04 pm ]
Post subject:  Re: math question

They wouldn't zero out if you chose not to waste time by fabricating useless results. Why on earth would anyone compare a to z given the data desired?

Author:  leashyourkids [ Sun Aug 31, 2014 6:28 pm ]
Post subject:  Re: math question

Why don't you just say the damn answer? This thread is like a conversation among people on mushrooms.

Author:  IkeSouth [ Sun Aug 31, 2014 6:49 pm ]
Post subject:  Re: math question

is your last name ellosipher? because, phil, i don't know the answer hence the reason i ask the question

Author:  leashyourkids [ Sun Aug 31, 2014 7:08 pm ]
Post subject:  Re: math question

The average height difference would be an almost infinitely small number, due to the number of people on Earth. There are probably 1 billion people who are so close in height that it is impossible to distinguish between them.

Author:  Nas [ Sun Aug 31, 2014 7:09 pm ]
Post subject:  Re: math question

It's 7" Ike.

Author:  leashyourkids [ Sun Aug 31, 2014 7:16 pm ]
Post subject:  Re: math question

If you folded a piece of paper in half and then kept folding it in half, making it smaller and smaller, after how many folds would there be nothing left?

Author:  FavreFan [ Sun Aug 31, 2014 8:15 pm ]
Post subject:  Re: math question

leashyourkids wrote:
If you folded a piece of paper in half and then kept folding it in half, making it smaller and smaller, after how many folds would there be nothing left?

What a stupid question. After like 23 folds you would have a tower that hit the moon.

Author:  IkeSouth [ Mon Sep 01, 2014 3:50 pm ]
Post subject:  Re: math question

you can only fold a piece of paper 7 times, regardless of its size.

Author:  leashyourkids [ Mon Sep 01, 2014 9:49 pm ]
Post subject:  Re: math question

If you stood ten feet from a fence and moved 75% closer to the fence each time, at which point would you reach the fence?

Author:  leashyourkids [ Mon Sep 01, 2014 9:50 pm ]
Post subject:  Re: math question

IkeSouth wrote:
you can only fold a piece of paper 7 times, regardless of its size.


Someone did it 12 times once with a 4000 ft piece of toilet paper.

Author:  Nas [ Mon Sep 01, 2014 9:59 pm ]
Post subject:  Re: math question

IkeSouth wrote:
you can only fold a piece of paper 7 times, regardless of its size.


I'm pretty sure I saw this myth busted on MythBusters.

Author:  conns7901 [ Mon Sep 01, 2014 10:10 pm ]
Post subject:  Re: math question

Nas wrote:
IkeSouth wrote:
you can only fold a piece of paper 7 times, regardless of its size.


I'm pretty sure I saw this myth busted on MythBusters.


Correct. Though a standard piece of paper can not be.

Author:  leashyourkids [ Mon Sep 01, 2014 10:16 pm ]
Post subject:  Re: math question

I'm on everyone's ignore. :|

Author:  Nas [ Mon Sep 01, 2014 10:19 pm ]
Post subject:  Re: math question

conns7901 wrote:
Nas wrote:
IkeSouth wrote:
you can only fold a piece of paper 7 times, regardless of its size.


I'm pretty sure I saw this myth busted on MythBusters.


Correct. Though a standard piece of paper can not be.


I heard someone did it 12 times with a 4000 foot piece of toilet paper.

Author:  leashyourkids [ Mon Sep 01, 2014 10:20 pm ]
Post subject:  Re: math question

You are a monster.

Author:  Darkside [ Mon Sep 01, 2014 11:34 pm ]
Post subject:  Re: math question

The busted that on mythbusters. You can fold a piece of paper more than 7 times.

Author:  IkeSouth [ Mon Sep 01, 2014 11:55 pm ]
Post subject:  Re: math question

leashyourkids wrote:
If you stood ten feet from a fence and moved 75% closer to the fence each time, at which point would you reach the fence?


thats like asking if you only smoked half a bowl of weed with crack sprinkles every two minutes, how long would it take to finish the bowl.

Author:  sinicalypse [ Tue Sep 02, 2014 12:00 am ]
Post subject:  Re: math question

IkeSouth wrote:
leashyourkids wrote:
If you stood ten feet from a fence and moved 75% closer to the fence each time, at which point would you reach the fence?


thats like asking if you only smoked half a bowl of weed with crack sprinkles every two minutes, how long would it take to finish the bowl.


you're short a variable in being able to definitively figure that one out. you have to know how long it takes you to get back to the crackspot.

Author:  Darkside [ Tue Sep 02, 2014 6:59 am ]
Post subject:  Re: math question

leashyourkids wrote:
If you stood ten feet from a fence and moved 75% closer to the fence each time, at which point would you reach the fence?

You wouldn't reach the fence.

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