Question: Problem 4 (30 points) For the below sales: 12 1 2 5 9 10 6 11 4 3 7 8 Nov Dec Jul Month Jan

Problem 4 (30 points) For the below sales: 12 1 2
Problem 4 (30 points) For the below sales: 12 1 2 5 9 10 6 11 4 3 7 8 Nov Dec Jul Month Jan Feb Mar Jun Apr 57 May 50 Aug 59 Sep 67 Oct 69 75 73 Sales S1 55 54 66 68 a) Use trend projection to estimate the relationship between time and sales. (Show your calculations for the intercept and the slope. b) Calculate forecasts for the first four months of the next year

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