Question

For the data set below, which of the following is true? {18, 17, 23, 20, 21, 22, 19}

A.
The range is 5.
B.
The mean is 20.
C.
The interquartile range is 6.
D.
The median is 24.

Answer 1

B. The mean is 20

Explanation:

mean is the average

Answer 2

B. The mean is 20

When you calculate it, B. is the only alternative that is true.
Hope it helps.