Question 5: ( points)

Calculate the Mean Absolute Error (MAE), Mean Percentage Error (MPE), Mean Absolute Percentage Error (MAPE), Mean Squared Error (MSE), Root Mean Squared Error (RMSE) of below data set by filling below table.

(Note: Round your calculation to 4 decimals)

• Answer:

Period, t	Actual, A[t]	Forecast, F[t]	|A[t] - F[t]|	(A[t] - F[t])/A[t]	|(A[t] - F[t]|/A[t]	(A[t] - F[t])^2
1	94	73
2	70	71
3	78	85
4	75	76
5	89	71
6	89	95
7	85	98
8	80	87
9	75	86
10	72	75
11	86	87
12	82	83
13	99	78
14	77	90
15	86	91
16	82	92
17	81	75
18	89	94
19	79	80
20	96	71
21	79	70
22	74	85
23	82	89
24	77	86

MAE =	MPE =	MAPE =	MSE =	RMSE =