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Response to nc4bo (Reply #7)

Thu Nov 12, 2015, 04:46 PM

13. Focus groups are statistically meaningless.

I used to work at a major polling organization. The focus groups are just to give the pollsters ideas. And, in the case of TV news, they're there to give instant feedback. But they're just a handful of available, interested people. They only represent themselves -- not some larger group.

In a poll, a sample is randomly pulled from the larger population, and the results are supposed to be within the stated margin of error at least 95% of the time. So if another random group were pulled from that population, their results would be within that same margin of error.

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