Can you show work please.

4:46 P all 99% Quizzes At their inauguration, the ages of the first eight presidents of the United States were 57, 61, 57, 57, 58, 57, 61 and 54. 1. Find the mean age at inauguration of the first eight presidents. 2. The mean age at inauguration of the last eight presidents is 57.88. How does this compare to the mean age at inauguration of the first eight presidents? 3. Find the standard deviation at inauguration of the first eight presidents. 4. The standard deviation of the ages at inauguration of the last eight presidents is 9.46. How does this compare with the standard deviation of the ages at inauguration of the first eight presidents? Upload Choose a File O