JEE Main 24 Jan 2025 Shift 1 Paper

For a statistical data x1,x2,⋯,x10 of 10 values, a student obtained the mean as 5.5 and

10

∑

i=1

x12=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