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JEE Main Math Class 12 Statistics Part 2 Questions

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Question : 22

Total: 28

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]

8
7
6
9

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