Q6Multiple choiceExercise 14.1
The class marks of a frequency distribution are given as follows : 15, 20, 25, ... The class corresponding to the class mark 20 is :
- (A)12.5 – 17.5
- (B)17.5 – 22.5
- (C)18.5 – 21.5
- (D)19.5 – 20.5
Show answer
(B) 17.5 – 22.5