Determine the five-number summary of the given data.
-10, 12, 15, 17, 20, 30, 15, 31, 12, 17, 20, 20, 12
A) 12, 13.5, 17, 20, 31
B) 10, 17, 15, 17, 12
C) 10, 12, 17, 20, 31
D) 10, 12, 16, 20, 30

Question

Quizplus · Accepted Answer

The five-number summary includes the minimum, first quartile (Q1), median, third quartile (Q3), and maximum. First, we sort the data: 10, 12, 12, 12, 15, 15, 17, 17, 20, 20, 20, 30, 31. The minimum is 10, Q1 (the median of the first half) is 12, the median is 17, Q3 (the median of the second half) is 20, and the maximum is 31.

Determine the Five-Number Summary of the Given Data