Which cities are the rudest?

It's been a little more than 40 years since I took QBA/Statistics in college, but you'd be surprised how small of sample size yields significant results. A sample of 1500 probably is sufficient.

Back then I could calculate it, but I'm guessing that 1500 is probably about 95% or better as sampling the entire population.

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quote:
Originally posted by honestlou:
quote:
Originally posted by corsair:
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A survey of 1500 people in a country of 330-million isn't exactly a big reveal...

It's been a little more than 40 years since I took QBA/Statistics in college, but you'd be surprised how small of sample size yields significant results. A sample of 1500 probably is sufficient.

Back then I could calculate it, but I'm guessing that 1500 is probably about 95% or better as sampling the entire population.

When I took Statical Analysis 5A, 5B and 5C in college, they said minimum sample size was 100

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