What is the value of n for which the numbers 1, 2, 3, …., n have variance 2?

n/4-2=3 what is the value of n?

If sigma^2 is the variance of n observations x_1,x_2 ,…., x_n ,prove that the variance of n observations ax_1,ax_2 ,…, ax_n is a^2sigma^2 , where a ne 0

If AM of numbers x_(1),x_(2)…..x_(n) is mu , then what is tha AM of the numbers which are increased by 1, 2, 3, …..n respectively?

What would be the values of n for which n^(2)-1 is divisible by 8.

If the variance of first n natural numbers is 2 and the variance of first m odd natural numbers is 40, then m +n =

If the variance of first n natural numbers is 2 and the variance of first m odd natural numbers is 40, then m +n =

Variance of 1st n natural number 1,2,3, . . n is 14 then n is

The variance of first n natural numbers is 44. Find the value of n.