Question: please help D Question 37 1 pts Problem 4. A computer manufacturer has developed a regression model relating Sales (y) with four independent variables. The

please help

has developed a regression model relating Sales (y) with four independent variables.

The four independent variables are Price (in dollars), Competitor's Price (in dollars),

Advertising, and Type of computer produced (Type = 0 if desktop, Type

D Question 37 1 pts Problem 4. A computer manufacturer has developed a regression model relating Sales (y) with four independent variables. The four independent variables are Price (in dollars), Competitor's Price (in dollars), Advertising, and Type of computer produced (Type = 0 if desktop, Type = 1 if laptop). Part of the regression results are shown below. ANOVA SS MS Regression A 27641631.121 6910407.780 Residual 35 42277876.624 1207939.332 Coefficients Standard Error t Stat Intercept 2268.233 1237.880 Price -0.803 0.316 Competitor's 0.859 0.281 Price Advertising 0.216 0.079 Type 567.806 373.400 Answer questions (Question 4.1 to 4.13) regarding problem 4. Question 4.1. What is the sample size? (Tip: use the degrees of freedom, or df, in AVONA to find out) D Question 38 1 pts Question 4.2. What is the multiple coefficient of determination?Question 39 Question 4.3. What is the test statistic of the t test of significance for variable "Price"? Question 40 Question 4.4. What is the p-value of the t test for variable "Price"? Question 41 Question 4.5. What is the test statistic of the t test of significance for variable "Competitor's Price"? Question 42 Question 4.6. What is the p-value of the t test for variable "Competitor's Price"? Question 43 Question 4.7. What is the test statistic of the t test of significance for variable "Advertising"?D Question 44 Question 4.8. What is the p-value of the t test for variable "Advertising"? D Question 45 Question 4.9. For desktop computer, what is the intercept of the estimated multiple linear regression equation? D Question 46 Question 4.10. For laptop computer, what is the intercept of the estimated multiple linear regression equation? D Question 47 Question 4.11. What is the test statistic of the F test for significance? Question 48 Question 4.12. What is the p-value (two-tailed) of the F test?D Question 49 1 pts Question 4.13. What is your conclusion based on the F test result on 0.01 level of significance? O Reject the Null Hypothesis O Fail to reject the Null hypothesis

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