Question

How will adding the value 100 affect the mean and median of the data set 1, 5, 7, 7, 9, 10? A. The mean increases and the median stays the same. B. The median increases and the mean stays the same. C. The mean and the median increase by the same amount. D. The mean increases less than the median increases.

Answer 1

The correct answer her would be A.

Answer 2

A. The mean increases and the median stays the same.

There are 6 numbers, so the median is the mean of the middle two: (7+8) /2 = 7.5