Question

Use the table to answer the question.

Points Scored by the Basketball Team in Different Games
Points Scored
85 78 90
52 81 79
The table shows the points a basketball team scored in different games. When the outlier is removed from the data set, what happens to the mean points scored by the basketball team?

(1 point)
Responses

The mean points scored increases by 5.1.
The mean points scored increases by 5.1.

The mean points scored increases by 8.7.
The mean points scored increases by 8.7.

The mean points scored decreases by 5.1.
The mean points scored decreases by 5.1.

The mean points scored decreases by 8.7.

Answer 1

The mean increases by 5.1.

Work: full mean = (85+78+90+52+81+79)/6 = 465/6 = 77.5.
Without the outlier 52: mean = (85+78+90+81+79)/5 = 413/5 = 82.6.
Change = 82.6 − 77.5 = 5.1.