JEE Main 27-Jan-2024 Shift 1 Solved Paper

Section: Mathematics

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Question : 14 of 90

Marks: +1, -0

Let a1,a2,....a10 be 10 observations such that

10

∑

k=1

ak=50 and

∑

∀k<j

ak⋅aj=1100. Then the standard deviation of a1,a2,..,a10 is equal to :

[27-Jan-2024 Shift 1]

5
√5
10
√115

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