Question

The ages of a group of state governors at their inaugurations are listed below. 50, 38, 45, 47, 53, 54, 57, 40, 57, 64, 58, 52 Which is the interquartile range of this data set?

Answer 1

...To begin, you need to arrange the values in ascending order.

38 40 45 47 50 52 53 54 57 57 58 64

Interquartile range=Q3​−Q1​

Q1: 12/4 =3 or (12*25)/10 = 3

Q = the 3rd value is 45

Q3 = (12*3)/4=9 or (12*75)/100=9

Q3 = the 3rd value is 57

Interquartile range=Q3​−Q1​

57-49=8