JEE Main 9 Jan 2020 Shift 1 Solved Paper

Section: Mathematics

Question : 60 of 75

Marks: +1, -0

Let the observations xi(1≤i≤10) satisfy the equations,

∑

i=1

(xi−5)=10 and

∑

i=1

(xi−5)2=40. If µ and λ are the mean and the variance of the observations, x1−3,x2−3,....,x10−3, then the ordered pair (µ, A,) isequal to :

[9 Jan 2020 Shift 1]

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