6. Let X1 and X2 be random variables such that 2e-#e=#20 < x1 < x2 < oo f(r1, T2) = otherwise. (a) What is the marginal pdf of X,? (b) Consider the random variables Yı = 2X1 and Y2 = X2 – X1. Find the joint density of Yı and Y2. (c) Are Y1 and Y2 independent? Why or why not?

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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.