If x_1, x_2, x_3 . . . x_n are n observations such that \sum (x_i+2) ^2=28 n and \sum (x_i-2) ^2=12 n. then the variance is: [AP EAPCET 22 May 2024 Shift 1]

AP EAPCET 22 May 2024 Shift 1 Solved Paper

Section: Mathematics

Question : 34 of 160

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If x1,x2,x3...xn are n observations such that ∑(xi+2)2=28n and ∑(xi−2)2=12n. then the variance is:

[AP EAPCET 22 May 2024 Shift 1]

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