Please explain and give some details. Thank you!

4. You will need to use the following information for many questions. It will be repeated for each question. There is a population of four people: Amy, Ben, Clara, and Donna [Note: this is a population, not a sample] They are asked how old they are. Amy is 26: years-old, Ben is 18 years-old, Clara is 18 years-old, and Donna is 30 years-old. We are too lazy to poll the entire population, so we take a sample of two people {with replacement and order matters]. Please draw the sampling distribution of the mean of a sample of size two. Unlike some practice tests, you will not be asked to draw the sampling distribution in any question, but it will proye helpful if you do it for yourself in order to answer the questions. At no point am | asking you to post an image of the distribution. If we increased the sample size to four {instead of two], what would the mean of the sampling distribution of the mean equal? We are looking for a numerical