1. Consider the data in the Excel file Restaurant Sales. Can one reasonably pred

1. Consider the data in the Excel file Restaurant Sales. Can one reasonably predict the Delivery Sales on a given day using the Lunch Sales? Run a regression analysis using Delivery Sales as the dependent variable and Lunch Sales as the independent variable. Interpret the key regression results. 2. Consider the data in the Excel file Restaurant Sales. Develop a multiple linear regression model for the dependent variable Delivery Sales on a given day, using Lunch Sales and Dinner Sales as the independent variables. Compare the results with the simple linear regression which uses Lunch Sales as the only independent variable, and interpret the key regression results.

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