Question

Find the class size of the given class 21-25, 26-30, 31-35​

Answer 1

Answer:

The class size is 5.

Step-by-step explanation:

If u look carefully, u will find that this is a frequency distribution series where the first and last values are both included.

So, u have to calculate:

CLASS SIZE

= (25-21) + 1

= 4 + 1

= 5