Dessert and Sampling

photo from http://pdphoto.org

As long as you have the minimum sample size, it does not matter how large the population

(if you taste enough well-stirred soup, it can be from a cup or a swimming pool)

Sample size as a fraction of the population

Remarks about confidence intervals

Looking at the sampling distribution of sample proportions: A SAS program to demonstrate the effect of sample size and error bound

Response rates, weighting, telephones and cellphones