If you fail, never give up because FAIL means 'First Attempt In Learning'.— A. P. J. Abdul Kalam

Statistics — quick quiz

5 real NDA questions on Statistics. Instant scoring and solutions, no signup — see where you stand in ~3 minutes.

Question 1 of 5

MEDIUM

A frequency distribution is given below: Class Interval: 10-20, 20-30, 30-40, 40-50 Frequency: 5, 8, 12, 10 What is the cumulative frequency for the class interval 30-40?