If the mean of the data : 7,8,9,7,8,7, \lambda, 8 is 8 , then the variance of this data is :- [15 Apr 2018 Shift 2]

JEE Main 15 Apr 2018 Shift 2 Solved Paper

Section: Mathematics

Question : 61 of 90

Marks: +1, -0

If the mean of the data : 7,8,9,7,8,7,λ,8 is 8 , then the variance of this data is :-

[15 Apr 2018 Shift 2]

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