Sample Test 3 (multiple regression)

# Sample Test 3 (multiple regression) - George Mason...

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School of Management OM 210: STATISTICAL ANALYSIS FOR MANAGEMENT Prof. Harvey Singer TEST #3: Inference and Regression (SAMPLE) Multiple Linear Regression Problem The sampled data listed below gives data for weekly gross revenue (in thousands of dollars) for a large regional retailer as a function of weekly advertising expenditures in both newspapers and television (TV) (in thousands of dollars) for eight consecutive weeks. Weekly Gross Revenue (\$1000s) Television Advertising (\$1000s) Newspaper Advertising (\$1000s) 96 5.0 1.5 90 2.0 2.0 95 4.0 1.5 92 2.5 2.5 95 3.0 3.3 94 3.5 2.3 94 2.5 4.2 94 3.0 2.5 A multiple regression was performed in Excel using weekly TV and newspaper advertising expenditures (both in thousands of dollars) as independent variables. The Excel output report is shown below. In that report, the thousands of dollars spent per week on TV advertising is x1 and the thousands of dollars spent per week on newspaper advertising is x2. © 2007 Harvey A. Singer

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Sample Test 3 (multiple regression) - George Mason...

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