# Question: You own a gift shop that has a campus location

You own a gift shop that has a campus location and a shopping mall location. You want to compare the regressions of y = daily total sales on x = number of people who enter the shop, for total sales listed by day at the campus location and at the mall location. Explain how you can do this using regression modeling

a. With a single model, having an indicator variable for location, that assumes the slopes are the same for each location.

b. With separate models for each location, permitting the slopes to be different.

a. With a single model, having an indicator variable for location, that assumes the slopes are the same for each location.

b. With separate models for each location, permitting the slopes to be different.

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