A manager has been using a certain technique to forecast demand for gallons of ice cream for the past six periods Actual and forecasted amounts are shown below Period Demand Forecast 1 85 90 2 80 76 3 65 60 4 90 88 5 105 98 6 110 95 What is the MAD for this forecasting technique What is the MSE for this forecasting technique What is the sigma (or standard deviation) for this forecasting technique If the errors are assumed to be normally distributed with CL 0, LCL 4 5 and UCL 4 5, the errors

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Question: A manager has been using a certain technique to forecast demand for gallons of ice cream for the past six periods. Actual and forecasted amounts

A manager has been using a certain technique to forecast demand for gallons of ice cream for the past six periods. Actual and forecasted amounts are shown below.

Period	Demand	Forecast
1	85	90
2	80	76
3	65	60
4	90	88
5	105	98
6	110	95

What is the MAD for this forecasting technique?

What is the MSE for this forecasting technique?

What is the sigma (or standard deviation) for this forecasting technique?

If the errors are assumed to be normally distributed with CL=0, LCL= -4.5 and UCL= +4.5, the errors

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