In other words, the sample mean is a random variable. As such, it has a distribution. That is also the case for the sample proportion and many other statistics. Population distribution gives ...

There are programs for sampling distributions of sample means, difference between sample means, sample proportions, and sample correlations.

(5) The overall spatial distribution of spider mites is predicted from an observed proportion of empty sampling units. This presupposes, however, that the negative binomial is a general model of the ...