15.1 Excel Activity 1 - Multiple Regression Equations and Predictions with XLMiner Analysis ToolPak (Structured)

The owner of Showtime Movie Theaters, Inc., would like to predict weekly gross revenue as a function of advertising expenditures. Historical data for a sample of eight weeks are entered into the Microsoft Excel Online file below. Use the XLMiner Analysis ToolPak to perform your regression analysis in the designated areas of the spreadsheet.

Due to a recent change by Microsoft you will need to open the XLMiner Analysis ToolPak add-in manually from the home ribbon. Screenshot of ToolPak

Develop an estimated regression equation with the amount of television advertising as the independent variable (to 2 decimals).

Revenue = _____ + _____ TVAdv

Develop an estimated regression equation with both television advertising and newspaper advertising as the independent variables (to 2 decimals).

Revenue =____+ ____ TVAdv + _____ NewsAdv

Is the estimated regression equation coefficient for television advertising expenditures the same in part (a) and in part (b)?

No, the coefficients are not the same

Predict weekly gross revenue for a week when $4.7 thousand is spent on television advertising and $3.8 thousand is spent on newspaper advertising (to 2 decimals)?

$_____ in thousands

Weekly Gross Revenue (1000s)	Television Advertising ($1000s)	Newspaper Advertising ($1000s)
97	6	1.5
91	2	2
96	5	1.5
93	2.5	2.5
95	3	3.3
95	3.5	2.3
95	2.5	4.2
94	3	2.5
Predicted Revenue (Part D)
	4.7	3.8