Question: Using the wine quality data from Table B.11 , fi t a model relating wine quality y to fl avor x4 using region as an

Using the wine quality data from Table B.11 , fi t a model relating wine quality y to fl avor x4 using region as an allocated code, taking on the values shown in the table (1,2,3). Discuss the interpretation of the parameters in this model. Compare the model to the one you built using indicator variables in Problem 8.13.

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