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Multiple Regression Analysis

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Multiple Regression Analysis
|
| The company has been able to determine that its sales in dollars depends on the advertising and the number of vendors and is therefore used data from previous years to forecast the potential sales for the year 2010.

Y X1 ($000) X2($000)
| Year Sales Advertising Salesman
| 2003 $10 $ 1 1
| 2004 $15 $ 2 1
| 2005 $25 $ 3 2
| 2006 $40 $ 5 3
| 2007 $70 $ 6 3
| 2008 $110 $ 8 4
| 2009 $150 $ 9 6

INSTRUCTIONS:
|
| A) Calculate the values of the letters a, b1, b2.
| B) Record the regression equation of the problem
| C) Calculate sales for 2010 if the advertising were $ 14,000 and the number of vendors out of 10.

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Solution Summary

The expert examines multiple regression analysis for advertising salesmans. A complete, neat and step-by-step solution is provided in the attached Excel file.

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