Question: full answer pls SOLVED PROBLEM 4.7 Cengiz Haksever runs an Istanbul high-end jewelry shop. He advertises weekly in local Turkish newspapers and is thinking of

full answer pls full answer pls SOLVED PROBLEM 4.7 Cengiz

SOLVED PROBLEM 4.7 Cengiz Haksever runs an Istanbul high-end jewelry shop. He advertises weekly in local Turkish newspapers and is thinking of increasing his ad budget. Before doing so, he decides to eval- uate the past effectiveness of these ads. Five wecks are sampled, and the data are shown in the table below: SALES ($1,000s) 11 AD BUDGET THAT WEEK (S1005) 5 6 3 10 7 6 2 12 8 Develop a regression model to help Cengiz evaluate his advertising. SOLUTION We apply the least-squares regression model as we did in Example 12

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