Suppose the scientist postulates a model Yi = a + Xi + i, -i - ,2,...,n, and
Question:
Yi = a + βXi + ∊i, -i - \,2,...,n,
and a 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: 9780131877115
8th Edition
Authors: Ronald E. Walpole, Raymond H. Myers, Sharon L. Myers, Keying Ye
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