Based on the Following Data,a Forecaster Used Simple Exponential Smoothing

question 89

Essay

Based on the following data,a forecaster used simple exponential smoothing and determined the following: S₀ = 19,S₁ = 18.6,S₂ = 19.08,S₃ = 19.064,S₄ = 19.851,and S₅ = 19.481. Calculate the Mean Squared Deviation (MSD or MSE).

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