Problem 15-09
With the gasoline time series data from the given table, show
the exponential smoothing forecasts using = 0.1.
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Get Help Now!Applying the MSE measure of forecast accuracy, would you prefer
a smoothing constant of = 0.1 or = 0.2 for
the gasoline sales time series? Do not round your interim
computations and round your final answers to two decimal
places.
= 0.1
= 0.2
MSE
Prefer: 0.2
Are the results the same if you apply MAE as the measure of
accuracy? Do not round your interim computations and round your
final answers to two decimal places.
= 0.1
= 0.2
MAE
Prefer: 0.1
What are the results if MAPE is used? Do not round your interim
computations and round your final answers to two decimal
places.
= 0.1
= 0.2
MAPE
%
%
Prefer: 0.1
GASOLINE SALES TIME SERIES Week Sales (1000s of gallons) 17 21 23 18 16 20 18 20 15 10 12
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