Question

In a box and whiskers plot, there are quartiles which divide the data set into intervals.

• A. four
• B. five
• C. two
• D. three

Answer 1

Answer: (A), (D)

three

Consider the following data set:

$0$

$1$

$1$

$2$

$3$

$6$

$7$

$8$

$9$

Box and whiskers plot of the above data set is as follows:


In the above box and whiskers plot,
$1,3$ and $7.5$ are the quartiles, which divide the data set into four intervals.

Quartiles are the numbers that divide a collection of data into four intervals each of which has the same number of data points.