Let {\sum^{9}_{i = 1} x_{i}^{2} = 885 If M is the mean and σ is the standard deviation of x 1 , x 2 , x 3 .....x 9 then what is the value of M 2 + σ 2 ?

UPSC NDA II 2024 Mathematics Paper

Question : 111 of 120

Marks: +1, -0

Let

i=1

‌‌xi2=885 If M is the mean and σ is the standard deviation of x₁, x₂, x₃.....x₉ then what is the value of M² + σ²?

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