What is the sampling distribution of a statistic?
◦ The distribution of all possible sizes of samples from a population that can be used to make observations of the statistic
◦ The distribution of observations of the statistic for all possible sizes of samples from a population
◦ The distribution of all possible observations of the statistic for samples of a given size from a population
◦ The distribution of observations of a variable in a sample for a given value of the statistic