Let Y1, Y2,..., Y; be a random sample of size 5 from a normal population with mean 0 and variance 1 and let Y = (1/5) Y;. Let Y, be another independent observation from the same population. What is the distribution of 7.37 a W = E Y? Why? b U = E- (Y; – Y)?? Why? c E- (Y; – Y)² + Y?? Why? i3D1

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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.