For the 19 used cars listed in the Used Cars data file on the books website (see
Question:
a. Report R2 and show how it is determined by SS values in the ANOVA table.
b. Interpret its value as a proportional reduction in prediction error.
c. Interpret its value as the percentage of the variability in the response variable that can be explained.
Transcribed Image Text:
Regression Equation Price = 19349 – 1406 Age + 25.5 HP Coefficients P-Value Term Coef SE Coef T-Value Constant 19349 4053 4.77 0.000 Age -1406 320 -4.40 0.000 25.5 22.3 1.14 НР 0.270 Model Summary R-sq 2084.69 68.69% Analysis of Variance Source MS F-value P-value DF Regression 2 152567500 76283750 17.55 0.000 Error 16 69534753 4345922 Total 18 222102253
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a b Using both age and horsepower to predict used car price re...View the full answer
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Related Book For
Statistics The Art And Science Of Learning From Data
ISBN: 9780321997838
4th Edition
Authors: Alan Agresti, Christine A. Franklin, Bernhard Klingenberg
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