JEE Main · Statistics and Probability · 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
EASYFor 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?