2Given the data 21, 13, 13, 37, 13, 23, 25, 15:

Question

a. What is the outlier in the data?
b. What is the mean with the outlier?
c. What is the mean without the outlier?

13; 21; 17.6

37; 20; 17.6

37; 17.6; 20

13; 17.6; 21

Answer 1

a. The outlier in the data is 37.

b. The mean with the outlier is (21 + 13 + 13 + 37 + 13 + 23 + 25 + 15)/8 = 20.125.

c. The mean without the outlier is (21 + 13 + 13 + 13 + 23 + 25 + 15)/7 = 17.6.