Solved: Suppose that we are fitting a line and we wish to
Chapter , Problem 113MEE(choose chapter or problem)
Suppose that we are fitting a line and we wish to make the variance of the regression coefficient
\(\widehat{\beta}_{1}\) as small as possible. Where should the observations
\(x_{i}, i=1,2, \ldots, n\), be taken so as to minimize \(V\left(\widehat{\beta}_{1}\right)\)? 1 Discuss the practical implications of this allocation of the \(x_{i}\).
Equation Transcription:
Text Transcription:
\widehat \beta 1
xi, i=1,2,...,n
V( \widehat \beta1)
xi
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