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sample size matters if/when the sampling error

Posted on: July 27, 2022 at 13:29:51 CT
cnk MU
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is too high to meet .95 confidence interval. They have some examples of that on this question. https://www.documentcloud.org/documents/22121480-rel10a-january-6-committee71
Page 13 has their analysis and they don't report the age categories' values because the sample size was not large enough to meet the confidence threshold. They had to break age out by <45 years old and 45+.

The note on "SN" as the value is on the first page:

Surveys were conducted among a representative sample of the adult population, age 18 or older, of the United States. Members of demographic groups not shown in the published crosstabs are represented in the results for each question in the poll. Crosstabs on the pages that follow only include results for subgroups with a minimum N=125 unweighted cases. Results for subgroups with fewer than N=125 unweighted cases are not displayed and instead are denoted with "SN" because samples of that size carry larger margins of sampling error and can be too small to be projectable with confidence to their true values in the population.
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Another poll showing democrats done with Biden.... - MUTGR MU - 7/27 12:13:48
     I didn't want him to to run in 2020 nm - SparkyStalcup MU - 7/27 19:25:21
     751 people is a whopping number, alright - pickle MU - 7/27 12:27:23
          it's actually n=362 - cnk ATL - 7/27 12:52:09
               jesus. even worse. a whopping 271 people (nm) - pickle MU - 7/27 12:58:38
                    and it's a telephone survey only - cnk ATL - 7/27 13:01:50
                         We still have a landline but seldom use it. I would say 90% - DHighlander NWMSU - 7/27 13:15:57
                              are the respondents truthful? - pickle MU - 7/27 13:18:52
                                   A good sample of enough size would diminish the impact of - DHighlander NWMSU - 7/27 13:25:03
          The sample size isn't the problem - mizzouSECedes STL - 7/27 12:32:01
               An understanding of statistical methods is but one In a long - DHighlander NWMSU - 7/27 12:34:04
                    Probably over 90% of people - GA Tiger MU - 7/27 13:01:08
                         To truly evaluate poll results you need access to the - DHighlander NWMSU - 7/27 13:09:25
                    this is over your head (nm) - pickle MU - 7/27 12:38:21
                         Keep up the good work. Quality village idiots are hard to - DHighlander NWMSU - 7/27 12:51:30
                              the point is about the purpose of polls - pickle MU - 7/27 12:53:05
                                   You don't have the education to - GA Tiger MU - 7/27 13:03:21
                                        you don’t know anything about me, GAT - pickle MU - 7/27 13:08:58
                                   Every time a poll result is posted you comment about the - DHighlander NWMSU - 7/27 13:03:09
                                        sample size matters if/when the sampling error - cnk ATL - 7/27 13:29:51
                                        yes, i do - pickle MU - 7/27 13:11:09
                                             If you actually understood statistical methods then you - DHighlander NWMSU - 7/27 13:21:56
                                                  it implies no such thing (nm) - pickle MU - 7/27 13:27:20
                                                  it's shorthand - SwampTiger MU - 7/27 13:26:31
                                                       No it is stupidity. I you have a thought then express it. - DHighlander NWMSU - 7/27 15:15:51
                                                            yours maybe (nm) - SwampTiger MU - 7/27 15:57:30
                                        I get many calls asking to take a poll. I gave them up - GA Tiger MU - 7/27 13:05:11
                         Lol(nm) - tman MU - 7/27 12:40:43
     Michelle for 24 nm - MU-TULSA MU - 7/27 12:19:11
          AOC, AOC may be their standard bearer. (nm) - JeffB MU - 7/27 12:27:58
     He'll still be - JayHoaxH8r MU - 7/27 12:14:52
          It's amazing such a popular president, according to the - MUTGR MU - 7/27 12:18:40
               271 people (nm) - pickle MU - 7/27 13:02:29
          The addle brained dementia patient who outsmarted trump - El-ahrairah BAMA - 7/27 12:18:25
               Campaigning from his basement and speaking to empty - Tigrrrr! MU - 7/27 12:51:10




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