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Thread: mgt613 gdb last date 8 nov 2010

  1. #1
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    mgt613 gdb last date 8 nov 2010

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    Question: Given the weekly demand data, what are the exponential smoothing forecasts for periods 2-05 using a=0.10?

    Week Demand 0.1
    1 980
    2 825
    3 760
    4 650
    5
    Note: Calculation along with the formula is required for each period's forecast. Students who give answers without calculation will be given low marks/no marks.

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    Administrator Xpert's Avatar
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    hmmm. So who is gona start the discussion.

  3. #3
    Question: Given the weekly demand data, what are the exponential smoothing forecasts for periods 2-05 using a=0.10?



    Week
    Demand
    0.1

    1
    980


    2
    825


    3
    760


    4
    650


    5





    Note: Calculation along with the formula is required for each period's forecast. Students who give answers without calculation will be given low marks/no marks.

    week demand 0.10
    1 980 980
    2 825 980
    3 760 964.5
    4 650 944.05
    5 914.645

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  5. #5
    Administrator Xpert's Avatar
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    Week demand 0.1
    1 980 980
    2 825 980
    3 760 964.5
    4 650 944.05
    5 914.645

    Ft = Ft-1 + a (At-1 – Ft-1)
    F2= 980+0.1(980-980) = 980
    F3= 980+0.1(825-980) = 964.5
    F4= 964.5+0.1(760-964.5) = 944.05
    F5= 944.05+0.1(650-944.05) = 914.645

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