HI6007 Statistics For Business Decisions - Tutorial Questions

Question 6 (7 marks)

D& T LTD marketing team needed more information about the effectiveness of their 3 main mode of advertising. To determine which type is the most effective, the manager collected one week’s data from 25 randomly selected stores. For each store, the following variables were recorded:
Weekly gross sales
Weekly expenditure on direct mailing (Direct)
Weekly expenditure on newspaper advertising (Newspaper)
Weekly expenditure on television commercials (Television)

a. Complete the missing entries from A to H in this output (2 marks)
b. Assess the independent variables significance at 5% level (3 marks)
c. Does the model is significant at 5% level? (2 marks)

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