The variance of random variable x of gamma distribution can be calcula

1.	The variance of random variable x of gamma distribution can be calculated as
A.	Var(x) = n + 2 ⁄ μ²;
B.	Var(x) = n ⁄ μ²;
C.	Var (x) = n * 2 ⁄ μ²;
D.	Var(x) = n - 2 ⁄ μ³;
Answer» C. Var (x) = n * 2 ⁄ μ²;

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The variance of random variable x of gamma distribution can be calculated as

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