Question: A - Based on above regression output, formulate an equation to estimate Sales of a store based on square footage ( sq . feet )

A- Based on above regression output, formulate an equation to estimate Sales of a store based on square footage (sq. feet), Showroom Inventory, Advertising Budget, Market Size, and # of local competitors.
B- Observe the significant-F in ANOVA table and comment on the goodness of the regression at 1% significant level. Is this regression suitable for application in sales estimation? Explain.
C- What percentage of variation in Sales is explained by use of these independent variables? Explain.
D- Rank the independent variables based on their degree of contribution to Sales (highest contribution to lowest contribution.)
E- If the advertising budget is increased by $20,000, what is the incremental increase in Sales?

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