Question: please solve in excel and show work/formulas. thank you in advance, will upvote. 19. Consider the following quarterly time series which has seasonal pattern. Calculate

please solve in excel and show work/formulas. thank you in advance, will upvote.

19. Consider the following quarterly time series which has seasonal pattern. Calculate MAPE and the quarterly forecasts for the next year using the regression forecasting technique? Quarter Year 1 Year 2 Year 3 1 923 930 915 2 1056 1040 1060 3 1124 1120 1115 4 992 1000 1005

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