The following artificial data are designed to illustrate the effect of correlated and uncorrelated explanatory variables: Here
Question:
Here is relevant Minitab output:
Locate the 95% prediction interval. Explain why Minitab gave the very extreme X values warning.
Transcribed Image Text:
38 3 4 6 2 38 3 36 325 9315 34 2 4 4 8234 25 2 2 3 3 2142 6132 1121 1 20 5 V. О. 856 0. 402 o.000 0.928 0.956 0.262 SUBC Predict at x3V1v6. The regress1㎝ equation is y#10.0 + 5.00 x + 2.00 w + 1.00 v s=2.646 R-sq 89.5% R-sgt adj ) 55.6% : = Fit Stdev.Fit 95% P.1. 33 000 4.077 ( 23.595. 42.405) 21.788, 44.212) xx x denotes a row wich x values away trom the center xx denotes a row with very extreme x values
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The predicted yvalue at x 3 w 1 v 6 is yhat 33000 wit...View the full answer
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Related Book For
An Introduction To Statistical Methods And Data Analysis
ISBN: 9781305465527
7th Edition
Authors: R. Lyman Ott, Micheal T. Longnecker
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