3 JEE Main 2016 Statistics previous-year questions with verified answers and step-by-step solutions.
These are the JEE Main 2016 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.
If the standard deviation of the numbers 2 ,   3 ,   a and 11 is 3 . 5 , then which of the following is true ?
The mean of 5 observations is 5 and their variance is 12 . 4 . If three of the observations are 1 , 2   & …
If the mean deviation of the numbers 1 ,   1 + d , … ,   1 + 100 d from their mean is 255 , then a valu…