A Polling Free-Fall Among Blacks (just 2% support Bush) (user search)
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  A Polling Free-Fall Among Blacks (just 2% support Bush) (search mode)
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Author Topic: A Polling Free-Fall Among Blacks (just 2% support Bush)  (Read 2031 times)
Fmr. Gov. NickG
NickG
Junior Chimp
*****
Posts: 8,261


Political Matrix
E: -8.00, S: -3.49
« on: October 13, 2005, 04:17:44 PM »
« edited: October 13, 2005, 04:21:53 PM by Fmr. Gov. NickG »
Quote from: jfern on October 13, 2005, 04:03:04 PM

2% = 2 out of 89 gives 2*sqrt(2)= 3%
12% = 16 out of 135 gives 2*sqrt(16)=6%

Margins of error are based on the total subsample sample size (89 and 135).  So the margin or error is greater in a sample of 89 than a sample of 135, no matter how many people answer one way or the other.
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Fmr. Gov. NickG
NickG
Junior Chimp
*****
Posts: 8,261


Political Matrix
E: -8.00, S: -3.49
« Reply #1 on: October 13, 2005, 04:20:23 PM »

BTW, the margin of error for a sample of 135 is about 9%; the MoE for a sample of 89 is about 11%.
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Fmr. Gov. NickG
NickG
Junior Chimp
*****
Posts: 8,261


Political Matrix
E: -8.00, S: -3.49
« Reply #2 on: October 13, 2005, 04:22:15 PM »
Quote from: A18 on October 13, 2005, 04:21:24 PM
Okay, so basically we have no clue what black support for Bush is.

Well, we know it's pretty small.
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