Use the following information for questions:
A five-number summary given in Case Study 1.1 for the fastest ever driving speeds reported by 102 women was: 30, 80, 89, 95, 130.
-What is the interquartile range of these data?
A) 6
B) 9
C) 15
D) 100

Question

Use the following information for questions:
 A five-number summary given in Case Study 1.1 for the fastest ever driving speeds reported by 102 women was: 30, 80, 89, 95, 130.
-What is the interquartile range of these data?
A) 6
B) 9
C) 15
D) 100

Quizplus · Accepted Answer

The interquartile range (IQR) is the difference between the third quartile (Q3) and the first quartile (Q1). In this case, Q3 = 95 and Q1 = 80, so IQR = 95 - 80 = 15.

Use the Following Information for Questions