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Forecasting Exponential smoothing
Input Data Forecast Error Analysis
Period Actual value Forecast Error
Absolute
error
Squared
error
Absolute
% error
Month 1 83.0 78.000
Month 2 81.5 79.000 2.500 2.500 6.250 3.07%
Problem 11-25(a)
Forecasting Exponential smoothing
Input Data Forecast Error Analysis
Period Actual value Forecast Error
Absolute
error
Squared
error
Absolute
% error
Month 1 83.0 78.000
Month 2 81.5 80.000 1.500 1.500 2.250 1.84%
Problem 11-25(a)
Forecasting Exponential smoothing
Input Data Forecast Error Analysis
Period Actual value Forecast Error
Absolute
error
Squared
error
Absolute
% error
Month 1 83.0 78.000
Problem 11-25(b)
