Question: Seasonality Period Actual Forecast A-F (Error) |Error| Error^2 [|Error|/Actual]*100 5 48 52 -4 4 16 8.3 6 68 69 -1 1 1 1.5 7 54

Seasonality

Period

Actual

Forecast

A-F (Error)

|Error|

Error^2

[|Error|/Actual]*100

5

48

52

-4

4

16

8.3

6

68

69

-1

1

1

1.5

7

54

56

-2

2

4

3.7

8

70

66

4

4

16

5.7

9

59

57

Sum

n=5

n-1=4

n=5

MAD

MSE

MAPE

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