Question: I tried asking this already and it was wrong, the answer is not 1.48 or 1.49. Consider the following time series. Period 1 1 2

I tried asking this already and it was wrong, the answer is not 1.48 or 1.49.

Consider the following time series. Period 1 1 2 3 4 4 5 6 7 8 . 7 Demand 9 11 10 9 13 17 18 15 18 a) Using a trend projection, forecast the demand for Period 9. b) Calculate the MAD for this forecast. a) The forecasted demand for Period 9 is 19.8. (Type an integer or decimal rounded to one decimal place as needed.) b) MAD = (Type an integer or decimal rounded to two decimal places as needed.)

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