Suppose the scientist postulates a model Yi = a + x i + i ,
Question:
Suppose the scientist postulates a model Yi = a + β x i + ε i, i — \,2... n, and α is a known value, not necessarily zero.
(a) What is the appropriate least squares estimator of β Justify your answer?
(b) What is the variance of the slope estimator?
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Related Book For
Probability & Statistics For Engineers & Scientists
ISBN: 9780130415295
7th Edition
Authors: Ronald E. Walpole, Raymond H. Myers, Sharon L. Myers, Keying
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