Question

The number of different items available at two different shops are given as below:


What is the marginal frequency for the number of markers ?

• A. $22$
• B. $14$
• C. $57$
• D. $36$

Answer 1

The correct option is D $36$

The marginal frequency is the sum of all the joint frequencies of a respective row or column in a two- way table.

Observe the given table,


The joint frequency for the number of markers available in shop A and B is $22$ and $14$ respectively, and their sum is given as $36$. Thus, it can be concluded that the required marginal frequency is $36$.

So, option (d) is correct.