The formula such as mn ⁄ (m + n)² (m + n + 1) is used to calculate

1.	The formula such as mn ⁄ (m + n)² (m + n + 1) is used to calculate
A.	variance in exponential distribution
B.	variance in alpha distribution
C.	variance in gamma distribution
D.	variance in beta distribution
Answer» E.

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The formula such as mn ⁄ (m + n)² (m + n + 1) is used to calculate

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