4 JEE Main 2014 Statistics previous-year questions with verified answers and step-by-step solutions.
These are the JEE Main 2014 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.
Let X and M.D. be the mean and the mean deviation about X of n observations xi, i=1,2,n. If each of the observations is…
The variance of the first 50 even natural numbers is :
Let x ¯ , M and σ 2 be respectively the mean, mode and variance of n observations x 1 ,   x 2 , . ... ,…
In a set of 2 n distinct observations, each of the observation below the median of all the observations is increased by…