A company uses simple exponential smoothing with a = 0.1 to forecast demand for boxes of rubber gloves. The forecast for this week was 237 boxes and the actual demand was 205.

A company uses simple exponential smoothing with a = 0.1 to forecast demand for boxes of rubber gloves. The forecast for this week was 237 boxes and the actual demand was 205.

Question
A company uses simple exponential smoothing with a = 0.1 to forecast demand for boxes of rubber gloves. The forecast for this week was 237 boxes and the actual demand was 205.

-If the cumulative sum of the forecast errors before this week was 23 and the estimate of the mean absolute deviation was 10.6, do you feel that forecasting system is doing a good job? Explain.