Mean of n observations x_1, x_2, ..........,x_n \is x^{-}. If an observation x_q is replaced by x_q' then the new mean is

Correct Answer is : n−x−xq+xq′n

WBJEE 2017 Math Solved Paper

Question : 47 of 75

Marks: +1, -0

Mean of n observations x1,x2,..........,xn‌is‌

−

. If an observation xq is replaced by xq′ then the new mean is

Go to Question:

Prev Question

Next Question