Focasting, class discussion

Focasting, class discussion - -3.40 11.56 Total= 21.80 MSA=...

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a) Class discussion:3 period moving average Day t Actual value Yt Forecast Ft Error (Error)^2 1 2 2 3 3 1 4 5 2.00 3.00 9.00 5 0 3.00 -3.00 9.00 Total= 18.00 MSA= 9.00 b) Class discussion:3 period weighted moving average, weights: 0.5, 0.3, 0.3 w1= 0.5 w2= 0.3 w3= 0.2 Day t Actual value Yt Forecast Ft Error (Error)^2 1 2 2 3 3 1 4 5 1.80 3.20 10.24 5 0 3.40
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Unformatted text preview: -3.40 11.56 Total= 21.80 MSA= 10.90 c) Class discussion: exponential smooting , alpha = 0.3 alpha = 0.3 Day t Actual value Yt Forecast Ft Error (Error)^2 1 2 2 3 2.00 1.00 1.00 3 1 2.30-1.30 1.69 4 5 1.91 3.09 9.55 5 2.84-2.84 8.05 Total= 20.29 MSA= 5.07...
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