Given below is a series of weekly demand data that the Beta Company collected on one of
Question:
Given below is a series of weekly demand data that the Beta Company collected on one of its products and forecasts for the corresponding weeks, made by a forecast method which the company is testing.
(a) Compute the mean absolute deviation based on all six weeks of data.
(b) Compute the mean squared error based on the six weeks data.
Week 1 2 3 4 5 6 Demand 142 181 144 174 192 176 Forecast 155 157 159 161 163 165 AppendixLO1
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