Question: E G H Absolute Absolute De viation 3M WMA| Deviation Month 3MMA 1. Calculate 3-month moving average (3M MA) and 3-month weighted moving average (3M

E G H Absolute Absolute De viation 3M WMA|

E G H Absolute Absolute De viation 3M WMA| Deviation Month 3MMA 1. Calculate 3-month moving average (3M MA) and 3-month weighted moving average (3M W MA) For 3 MWMA, use the weights of 3,2,1 (3 for the most recent period) 2. Predict demand for January of next year based on both methods 3. Calculate MAD's 4. Calculate MSE's 5. Calculate MAPE's Actual 10 12 13 16 19 23 26 30 28 12,2 14,3 17,0 205 11,7 13,7 16,0 19,3 22,7 26,3 28,0 25,3 20,7 4,3 5,3 7,0 6,7 7,3 1,7 10,0 9,3 6,7 23,8 27,5 28,3 3,8 4,7 6,0 5,5 6,2 0,5 10,3 7,3 4,7 18 16 23,3 14 18,7 MAD 6,5 5,4 Absolute De viation Absolute 3 MWMA| Deviation 3MMA SE SE January February March April May June July 0 August 1 September 2 October 3 November 4 December 5 6 7 8 9 Month 0 January 1 February 2 March 3 April 4 May 5 June 6 July 7 August 8 September 9 October 0 November 1 December 2 3 4 5 6 7 Month 8 January 9 February 0 March 1 April 2 May 3 June 4 July 5 August 6 September 7 October 8 November 9 December 0 1 2 3 4 5 Actual 10 12 13 16 19 23 26 30 28 18 16 14 11,7 13,7 16,0 19,3 22,7 26,3 28,0 25,3 20,7 4,3 5,3 7,0 6,7 7,3 1,7 10,0 93 6,7 18,8 28,4 49,0 44,4 53,8 2,8 100,0 87,1 44,4 12,2 14,3 17,0 20,5 23,8 27,5 28,3 23,3 18.7 3,8 4,7 6,0 5,5 6,2 0,5 10,3 7,3 4,7 14,7 21,8 36,0 30,3 38,0 0,3 106,8 53,8 21,8 MSE 47,6 MSE 35,9 Absolute De viation Absolute 3 MWMA De viation %error 3 M MA %error Actual 10 12 13 16 19 23 26 30 28 11,7 13,7 16,0 19,3 22,7 26,3 28,0 25,3 20,7 4,3 5,3 7,0 6,7 7,3 1,7 10,0 9,3 6,7 27,1 28,1 30,4 25,6 24,4 6,0 55,6 12,2 14,3 17,0 20,5 23,8 27,5 28,3 23,3 18,7 3,8 4,7 6,0 5,5 6,2 0,5 10,3 7,3 4,7 24,0 24,6 26,1 21,2 20,6 1,8 57,4 45,8 33,3 18 16 583 14 47,6 MAPE 33,7 MAPE 28,3

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