5 JEE Main 2013 Statistics previous-year questions with verified answers and step-by-step solutions.
These are the JEE Main 2013 previous-year questions from the Statistics chapter of Mathematics. Each links to a full solution with a verified answer key. To see the whole chapter across all years, visit the Statistics chapter hub.
In a set of 2 n observations, half of them are equal to ' a ' and the remaining hall are equal to ' -aⁱme '. If the sta…
The mean of a data set consisting of 20 observations is 40 . If one observation 53 was wrongly recorded as 33 , then th…
All the students of a class performed poorly in Mathematics. The teacher decided to give grace marks of 10 to each of t…
If the median and the range of four numbers \x, y, 2 x+y, x-y\, where 0 < y < x < 2 y, are 10 and 28 respectively, then…
Mean of 5 observations is 7 . If four of these observations are 6,7,8,10 and one is missing then the variance of all th…