Question: Sales data for two years are as follows. Data are aggregated with two months of sales in each period 1) Plot the data 2) Fit

Sales data for two years are as follows. Data are

Sales data for two years are as follows. Data are aggregated with two months of sales in each "period" 1) Plot the data 2) Fit a simple linear regression model to the sales data. 3) Using the result from part 2), prepare a forecast for the next year Year Sales Period 1 1 109 1 2 1 1 1 1 2 Months January-February March-April May-June July-August September October November December January-February rch-April May-June July-August September October November December 3 4 5 6 7 104 150 170 120 100 115 112 159 182 126 106 8 9 2 2 2 2 10 11 12

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