Question: Here are the numbers of sales per day that were made by Kim Ryan, a courteous telemarketer who worked four days before being fired: 1, 11, 9, 3. Assume that samples of size 2 are randomly selected with replacement from this population of 4 values.

1. List the 16 different possible samples and find the mean of each of them.
2. Identify the probability of each sample, then describe the sampling distribution of sample means.
3. Find the mean of sampling distribution
4. Is the mean of the sampling distribution (from part (c)) equal to the mean of the population of the four listed values? Are those mean always equal.

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