X is a random variable with distribution X 1 P(x) 0.4 0.6 X1 and X2 are two random variables and both have the same distribution as X. Let Y = X1 - X2. Find the distribution of Y. Y -0 Y -1 1 P(y) 0.25 0.50 0.25 Y -1 1 Ру) 0.24 0.52 0.24 Y 2 P(y) 0.16 0.48 0.36

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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.