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Concept explainers
Home Sale Prices. In Example B.18 on page B-67, we considered the
a. Use the forward selection method to obtain a regression equation for the data. (Take tenter = 2.00, αenter = 0.05.)
b. Use the backward elimination method to obtain a regression equation for the data. (Take tremove = 2.00, αremove = 0.05.)
c. Use stepwise regression to obtain a regression equation for the data. (Take tenter = tremove = 2.00, αenter = αremove = 0.05.)
d. Are the regression equations obtained in parts (a), (b), and (c) the same?
e. For the regression equation selected by stepwise regression in part (c), obtain plots of residuals versus fitted values, residuals versus the included predictor variables, and a normal
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Chapter B Solutions
Introductory Statistics, Books a la Carte Plus NEW MyLab Statistics with Pearson eText -- Access Card Package (10th Edition)
- Calculus For The Life SciencesCalculusISBN:9780321964038Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.Publisher:Pearson Addison Wesley,Glencoe Algebra 1, Student Edition, 9780079039897...AlgebraISBN:9780079039897Author:CarterPublisher:McGraw HillBig Ideas Math A Bridge To Success Algebra 1: Stu...AlgebraISBN:9781680331141Author:HOUGHTON MIFFLIN HARCOURTPublisher:Houghton Mifflin Harcourt
- Holt Mcdougal Larson Pre-algebra: Student Edition...AlgebraISBN:9780547587776Author:HOLT MCDOUGALPublisher:HOLT MCDOUGAL
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