Consider the following inverse of the model matrix: 0.893758 -0.0175641] 0.0001547 -0.028245 0.0013329 |(X'X). = -0.028245 -

Question:

Consider the following inverse of the model matrix:

0.893758 -0.0175641] 0.0001547 -0.028245 0.0013329 |(X'X)

(a) How many variables are in the regression model?

(b) If the estimate of Ïƒ2 is 50, what is the estimate of the variance of each regression coefficient?

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Applied Statistics And Probability For Engineers

ISBN: 9781118539712

6th Edition

Authors: Douglas C. Montgomery, George C. Runger

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Question Posted: Jul 07, 2018 01:03 PM

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Consider the following inverse of the model matrix: 0.893758 -0.0175641] 0.0001547 -0.028245 0.0013329 |(X'X). = -0.028245 -

Question:

0.893758 -0.0175641] 0.0001547 -0.028245 0.0013329 |(X'X)". = -0.028245 - 0.017564 0.0001547 0.0009108

Step by Step Answer:

a Because the matrix is 3 x 3 two regre...View the full answer

Applied Statistics And Probability For Engineers

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