For a statistical data x_1, x_2, ..., x_ 10 of 10 values, a student obtained the mean as 5.5 and _ i=1 ^ 10...

Question

For a statistical data x_1, x_2, ..., x_ 10 of 10 values, a student obtained the mean as 5.5 and _ i=1 ^ 10 x_i^2 = 371. He later found that he had noted two values in the data incorrectly as 4 and 5, instead of the correct values 6 and 8, respectively. The variance of the corrected data is

Accepted Answer

(1)

JEE Main 2025 Mathematics question

Solution