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

JEE Main · Statistics and Probability · Quiz

Statistics and Probability — quick quiz

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

Question 1 of 5

EASY

For a certain grouped data, the mean is 30 and the standard deviation is 5. If each observation is multiplied by 2 and then increased by 10, what will be the new standard deviation?