Question

The class mark of the class 29.5 $-$ 30.5 is :

• A. 30
• B. 30.5
• C. 31.5
• D. 31

Answer 1

The correct option is A 30

Class mark is the mid point of the class interval.

Therefore, the class mark for the interval $29.5-30.5$ is $\frac{29.5+30.5}{2}=\frac{60}{2}=30$