Question

The cumulative frequency for calculating median is obtained by adding the frequencies of all the ______.

Options

• classes up to the median class

• classes following the median class

• classes preceding the median class

• all classes

Answer 1

The cumulative frequency for calculating the median is obtained by adding the frequencies of all the classes preceding the median class.

Explanation:

To calculate the median, you use the cumulative frequency from the class intervals that come immediately before the median class.