Question

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

Answer 1

heights are:

66, 74, 76, 77, 78, 79, 80, 80, 82, 84

The mean is: 77.6 inches

Explanation:

removing 66 will make the mean increase to 78.9

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