# Performing a multiple regression analysis

In this assignment, you will perform a multiple regression analysis inside of Microsoft Excel.

Walk through the example regression problem.

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Learn by Marketing. (2018). Linear regression by hand and in Excel (Links to an external site.). Retrieved from http://www.learnbymarketing.com/tutorials/linear-regression-by-hand-in-excel/

Now complete a secondary regression using the changed data table you can download here data-marketing-budget-12mo-version2 [Excel file]

Complete a multiple regression using the data “Use Sales” as the Y Range and “Social Media,” “Web” and “Print” as the X-Range.

Include residuals, line-fit plots and Normal probability plots.

Read: Regression analysis in Excel (These are videos to help you if you’re still unsure how to do regression).

Watch: Multiple Regression Interpretation in Excel.

This video provides an example of interpreting multiple regression output in excel:

Analyze what you are able to determine from the regression:

·       Regression statistics

·       Equation of the line

·       Effects of variation of spend in Social Media and Web

Include a copy of your Excel file with the regression output in a separate sheet

Attached below is a video giving tips and assignment picture on how to insert the data.

• AssignmentPicture.png
• WeekTwoHelp.mp4
• data-marketing-budget-12mo-version2.xlsx

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