MCQ
For the frequencies 2, 5, 8 of three classes, the cumulative frequencies are:
Unit-11 Basic Statistics
A 2, 7, 15
B 2, 5, 8
C 2, 8, 15
D 2, 10, 15
Explanation

Cumulative frequencies are 2, 2 + 5 = 7, 7 + 8 = 15.