4. Find the mean, median, and mode for the sample whose observations, 15, 7, 8, 95, 19, 12, 8, 22, and 14, represent the number of sick days claimed on 9 federal income tax retuns. Which value appears...

Extracted text: 4. Find the mean, median, and mode for the sample whose observations, 15, 7, 8, 95, 19, 12, 8, 22, and 14, represent the number of sick days claimed on 9 federal income tax retuns. Which value appears to be the best measure of the center of these data? State reasons for your preference. 5. The tar contents of 8 brands of cigarettes selected at random from the latest list released by the Federal Trade Commission are as follows: 7.3, 8.6, 10.4. 16.1, 12.2, 15.1, 14.5, and 9.3 milligrams. Calculate the mean and the variance.