Question: Compute the following using customer satisfaction data from the table below. 2.1 Mean Squared Error (MSE) (5marks) 2.2 Mean Absolute Deviation (MAD) (5marks) 2.3 Mean
Compute the following using customer satisfaction data from the table below.
2.1 Mean Squared Error (MSE) (5marks)
2.2 Mean Absolute Deviation (MAD) (5marks)
2.3 Mean Absolute Percentage error (MAPE) (5marks)
Month actual forecast
1 88.4 84.0
2 87.2 86.6
3 90.1 89.1
4 92.7 88.7
5 91.5 89.9
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