Let m be the mean and \sigma be the standard deviation of the distribution \x_i 0 1 2 3 4 5 \f_i \k+2 2k \k^2-1 \k^2-1 \k^2+1 \k-3 where \sum f_i=62. If [x] denotes the greatest integer \leq x, then [\mu 2+\sigma^2] is equal to [10-Apr-2023 shift 2]

JEE Mains 10-Apr-2023 Shift 2 Solved Paper

Section: Mathematics

Question : 8 of 90

Marks: +1, -0

Let m be the mean and sigma be the standard deviation of the distribution

xi	0	1	2	3	4	5
fi	k+2	2k	k2−1	k2−1	k2+1	k−3

where ∑fi=62. If [x] denotes the greatest integer ≤x, then [µ2+σ2] is equal to

[10-Apr-2023 shift 2]

Go to Question:

Prev Question

Next Question