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

Elementary Statistics — quick quiz

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

Question 1 of 5

EASY

The marks obtained by 6 students in a test are 45, 52, 48, 50, 55, and 46. What is the mean mark?