Question: The attached data set contains historical sales data for a retailer. Fit an exponential smoothing model with a smoothing contant of .2. What is the

The attached data set contains historical sales data for a retailer. Fit an exponential smoothing model with a smoothing contant of .2. What is the forecast for period 21? Enter you answer as a whole number.

The attached data set contains historical sales

Period 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Demand 2608 2702 2626 2746 2807 2703 2827 2863 2803 2940 2927 2919 2963 2863 2899 2972 3052 3069 3093 3150

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