Forecasting 3 period weighted moving average
Input Data Forecast Error Analysis
Period Actual value Weights Forecast Error
Absolute
error
Squared
error
Absolute
% error
Week 1 22 0.000
Week 2 27 0.417
Problem 11-18(a)
Forecasting Exponential smoothing
Input Data Forecast Error Analysis
Period Actual value Forecast Error
Absolute
error
Squared
error
Absolute
% error
Week 1 22 22.000
Week 2 27 22.000 5.000 5.000 25.000 18.52%
Problem 11-18(b)