Peter runs a computer store. His most popular product is the XR657 laptop. The demand and forecasting
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Question:
Peter runs a computer store. His most popular product is the XR657 laptop. The demand and forecasting data for XR657 during the past 11 months is:
Actual demand | Forecasted demand |
---|---|
272 | 299 |
147 | 173 |
87 | 111 |
134 | 149 |
137 | 154 |
109 | 125 |
73 | 100 |
93 | 111 |
107 | 126 |
77 | 94 |
70 | 91 |
What could you say about Peter’s forecast?
Select all correct answers
Breaking down the monthly forecast week by week will improve the forecast accuracy.
His forecast is biased.
The RMSE of this forecast is 21.
Aggregating the forecast by quarters will improve the forecast accuracy.
Peter is consistently underforecasting the demand for product XR657.
None of the above
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