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Unformatted text preview: 5. I. Ho:B3=0 v. H1:B30 II. Since, p-v=0.378>.05, we accept Ho III. Thus, HsEngl is not a useful predictor of GPA 6. I. Ho:B2=0 v. H1:B20 II. Since p-v=.024<.05, we reject Ho III. Thus, HsMath is a useful predictor og GPA over and above SATMath and Hs Engl 7. I. Ho:B2=<0 v B2>0 II. Since p-v/2=.012, we reject Ho III. Thus, My high school teacher is likely to be vindicated Part III. Residual Analysis 1. 2. Residuals vs. each of the Xs show no pattern 3. Minitab 4. Miniab 5. Durbin-Watson statistic = 2.52912, which is between 1<d<3 6. 4 did not show any pattern, but it fit the D-W statistic 7. Minitab 8. Minitab, It is unimodel 9. Yes, 8/20 10. There are no leverage points Part IV. Watch out for the Pitfalls 1. Range out of 20 2. Students get better and better 3. Correlation between Xs 4. Throw out higher...
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This note was uploaded on 08/31/2008 for the course BUAD 310 taught by Professor Lv during the Spring '07 term at USC.
- Spring '07