Forecasting Exponential smoothing
Input Data Forecast Error Analysis
Period
Actual
value
Forecast Error
Absolute
error
Squared
error
Absolute
% error
Week 1 21 22.000
Week 2 25 21.700 3.300 3.300 10.890 13.20%
Week 3 23 22.690 0.310 0.310 0.096 1.35%
Problem 11-24
Forecasting Exponential smoothing
Input Data Forecast Error Analysis
Period
Actual
value
Forecast Error
Absolute
error
Squared
error
Absolute
% error
Week 1 21 22.000
Week 2 25 21.400 3.600 3.600 12.960 14.40%
Week 3 23 23.560 -0.560 0.560 0.314 2.43%
Problem 11-24
Forecasting Exponential smoothing
Input Data Forecast Error Analysis
Period
Actual
value
Forecast Error
Absolute
error
Squared
error
Absolute
% error
Week 1 21 22.000
Week 2 25 21.200 3.800 3.800 14.440 15.20%
Problem 11-24