The number of daily calls for the repair of Speedy copy machines has been recorded as...

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The number of daily calls for the repair of Speedy copy machines has been recorded as follows. October Calls 5 1 92 2 127 nts 3 106 456700 165 125 111 8 178 97 (Round all answers to 1 decimal place.) a. Prepare three-period moving-average forecasts for the data. What is the error on each day? October Demand (t) Average (t) 3- period Moving Forecast (t) 3- period Demand - Forecast Average Error (t) 1 92 2 127 3 106 4 165 5 125 6 111 7 178 8 97 b. Prepare three-period weighted-moving-average forecasts using weights of W = 0.5, W2 = 0.3, W3 = 0.2. What is the error on each day? October Demand (t) Weighted Average (t) Forecast (t) Demand (t) - Forecast (t) (Error) 1 92 2 127 3 106 4 165 5 125 6 111 7 178 8 97 c. Calculate the arithmetic sum of errors and the absolute deviation for both methods. Method Arithmetic sum of errors Absolute deviation 3 period moving average Weighted average Which of the two forecasts is better? O 3-period Moving Average O Weighted Average Neither 3-period Moving Average nor Weighted Average The number of daily calls for the repair of Speedy copy machines has been recorded as follows. October Calls 5 1 92 2 127 nts 3 106 456700 165 125 111 8 178 97 (Round all answers to 1 decimal place.) a. Prepare three-period moving-average forecasts for the data. What is the error on each day? October Demand (t) Average (t) 3- period Moving Forecast (t) 3- period Demand - Forecast Average Error (t) 1 92 2 127 3 106 4 165 5 125 6 111 7 178 8 97 b. Prepare three-period weighted-moving-average forecasts using weights of W = 0.5, W2 = 0.3, W3 = 0.2. What is the error on each day? October Demand (t) Weighted Average (t) Forecast (t) Demand (t) - Forecast (t) (Error) 1 92 2 127 3 106 4 165 5 125 6 111 7 178 8 97 c. Calculate the arithmetic sum of errors and the absolute deviation for both methods. Method Arithmetic sum of errors Absolute deviation 3 period moving average Weighted average Which of the two forecasts is better? O 3-period Moving Average O Weighted Average Neither 3-period Moving Average nor Weighted Average