Question

Here are the heights in inches of 10 professional basketball players: 66, 74, 76, 77, 78, 79, 80, 80, 82, 84. The mean of these heights is 77.6 inches. Does this set have an outlier and, if so, how does removing it affect the mean?

A.
The set has 66 as an outlier and removing it decreases the mean by about 1.3 inches.

B.
The set has 66 as an outlier and removing it increases the mean by about 1.3 inches.

C.
The set has 66 as an outlier and removing it decreases the mean by about 6.6 inches.

Answer 1

@ValentinaT

Answer 2

@Emine<3

Answer 3

B.