Question

In the following set of data, what are the first, second, and third quartiles?
3, 8, 11, 19, 23, 28, 91

A 8, 11, and 28.

B 3, 11, and 91.

C 3, 19, and 91.

D 8, 19, and 28.

Answer 1

Solution :

Given data set : 3, 8, 11, 19, 23, 28, 91

First quartile is the median of the first half part of the data .

First quartile = 8

Second quartile = middle most observation = 19

Third quartile is the median of the second half part of the data .

Third quartile = 28

D)