Question

The mean of 5 numbers is 4. What happens to the mean if the number 13 is added to the data set?

A. The mean increases by 9.
B. The mean does not change.
C. The mean decreases by 1.5.
D. The mean increases by 1.5.

Answer 1

D, hope I helped you

Answer 2

It’s option D. Hope it helps