Table B. 11 presents data on the quality of Pinot Noir wine. a. Build a regression model
Question:
Table B. 11 presents data on the quality of Pinot Noir wine.
a. Build a regression model relating quality \(y\) to flavor \(x_{4}\) that incorporates the region information given in the last column. Does the region have an impact on wine quality?
b. Perform a residual analysis for this model and comment on model adequacy.
c. Are there any outliers or influential observations in this data set?
d. Modify the model in part a to include interaction terms between flavor and the region variables. Is this model superior to the one you found in part a?
Fantastic news! We've Found the answer you've been seeking!
Step by Step Answer:
Related Book For
Introduction To Linear Regression Analysis
ISBN: 9781119578727
6th Edition
Authors: Douglas C. Montgomery, Elizabeth A. Peck, G. Geoffrey Vining
Question Posted: