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3) Suppose that X and X are random samples of observations from a population with u and variance . Consider the following three estimators
3) Suppose that X and X are random samples of observations from a population with u and variance . Consider the following three estimators W, Y and Z of . W = 1 1 X + X 3 1 Y = X + X 1 2 Z = 3X + 3X i) Show that all three estimators are unbiased. ii) Find the best estimator for .
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Statistics For Business And Economics
Authors: Paul Newbold, William Carlson, Betty Thorne
8th Edition
0132745658, 978-0132745659
