Let X1, X2, X3, X4 be independent random variables of size 4 from a gamma distribution G(a, X) : - xª r(a) * -1e- -ax with a = 6 and Find the expected value of Y = X1 + X2 + X3 + X4 Answer:

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Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.