A computer manufacturer has developed a regression model relating Sales (Y in $10,000) with two independent variables.
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A computer manufacturer has developed a regression model relating Sales (Y in $10,000) with two independent variables.

A computer manufacturer has developed a regression model relating Sales (Y in $10,000) with two independent variables. The two independent variables are Price (in dollars) and Advertising (in $1000). Part of the regression results are shown below.


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  1. What has been the sample size?
  2. What is the value of the F test statistic for testing whether the regression model is significant? 
  3. What is the rejection rule for testing whether the regression model is significant at the 0.5 level of significance? 
  4. What is the value of the t test statistic for testing whether the variable Price is significant?      
Hint

a) 38

b) 11.4416

c) reject null hypothesis if F > 3.26742352

d) -0.3935

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