A large, national grocery retailer tracks productivity and c…
A large, national grocery retailer tracks productivity and costs of its facilities closely. Data were obtained from a single distribution center for a one-year period. Each data point for each variable represents one week of activity. The variables included are the number of cases shipped (x1), the indirect costs of the total labor hours as a percentage (x2), a qualitative regressor called holiday that is coded 1 if the week has a holiday and 0 otherwise (x3), and the total labor hours (Y). Use the R output below to answer the following questions. Interpret what the coefficient of -13.16602 for the continuous variable X2 means in predicting the response variable. Write a complete sentence.