Logan recorded his scores the last 6 times he played his favorite video game.

Game Number 1 2 3 4 5 6
Points Scored 66 47 58 31 52 70

Which is the deviation of his score in Game 2 from the mean?

A.

8 points
B.

−8

points
C.

7 points
D.

−7

points

The mean of Logan's scores is (66+47+58+31+52+70)/6 = 54. The deviation of his score in Game 2 from the mean is 47-54 = -7 points. Therefore, the answer is (D) -7 points.