A person is trying to find new employees to work for his company. She wants to show applicants a statistic about how much her employees make. Which measure of a center would the best to describe salaries at her company if she knows that 10 of her employees make the following annual salaries? $11,000 $10,000 $91,000 $92,000 $80,000 $81,000 $88,000 $93,000 $91,000 $73,000 MEAN = ? MEDIAN =? MODE=? Which center measure is most appropriate and why?

3.17 scores on stats final. below are final exam scores of 20 introductory statistics students. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 57, 66, 69, 71, 72, 73, 74, 77, 78, 78, 79, 79, 81, 81, 82, 83, 83, 88, 89, 94 (a) the mean score is 77.7 points. with a standard deviation of 8.44 points. use this information to determine if the scores approximately follow the 68-95-99.7% rule. (b) do these data appear to follow a normal distribution? explain your reasoning using the graphs provided below.