Question: Consider the monthly demand shown in the table. Forecast the monthly demand for year 5 using Holts Model under an optimal alpha and beta. Evaluate

Consider the monthly demand shown in the table. Forecast the monthly demand for year 5 using Holts Model under an optimal alpha and beta. Evaluate MSE.

Year 1 Year 2 Year 3 Year 4
Jan 2500 6300 9200 14300
Feb 3500 7300 12200 13300
Mar 3500 6300 12200 13300
Apr 3500 8300 10200 12400
May 4500 8300 11200 15900
Jun 6500 9300 13200 16300
Jul 7500 9200 14200 19300
Aug 6500 11300 17200 23300
Sep 10500 15300 22200 25300
Oct 12500 15300 22200 25300
Nov 14500 19300 25200 29300
Dec 8500 13300 15200 21300

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