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  3. question 3 given is a historical time series for job...

Question: question 3 given is a historical time series for job...

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QUESTION 3

  1. Given is a historical time series for job services demand in the prior 6 months.

    Month

    Demand

    1

    19

    2

    21

    3

    17

    4

    19

    5

    22

    6

    18


    a) The MAD based on the Exponential smoothing α = 0.2 method =  (4 decimal places)

    b) The MAD based on the 3 months moving average method =  (in 4 decimal places)

    c) The MSE based on the 3 months moving average method =

    d) Use MAD as an criterion to evaluate forecasting methods I (exponential smoothing, α = 0.2 ) and II (3 month moving average). The most accurate forecasting methods between I and II is method  (enter I or II)
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