Write down mean and S.D of χ2 – variate with 8 d.f.

1.	Write down mean and S.D of χ2 – variate with 8 d.f.
Answer» SD = √(var(x)) = √2n = √(2 x 8) = 4.

Answer»

SD = √(var(x)) = √2n

= √(2 x 8) = 4.

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