Question: A A B C D E F G H | J K L L M 1 Forecast the demand and calculate the overall forecast error

A A B C D E F G H | J K L L M 1 Forecast the

A A B C D E F G H | J K L L M 1 Forecast the demand and calculate the overall forecast error measures (MAD, MSE, MAPE) in the following table using 4-month moving average approach. 2 3 Data Forecast Error Analysis 4 4 Month t t Demand Forecast Error Absolute Squared Abs Pct Err 5 January 1 1200 6 February 2 1000 7 March 3 1100 8 April 4 4 1250 9 May 5 1300 10 June 6 980 11 July 7 1010 12 August 8 1050 13 September 9 1120 14 October 10 1300 15 November 11 1000 16 December 12 1025 17 January 13 990 February 14 999 March 15 1037 20 April 16 1225 21 May 17 18 19 22 Average MAD MSE MAPE 23 24 25

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