Hw 1 # 4 - 15 12 1 9.6 multiplicative = (year avg) x (year...

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multiplicative Multiplicative forecast Additive 2006 2007 seasonal component 2008 Seasonal component January 4 2 0.22 2.08 -10.5 Feburary 6 1 0.24 2.32 -10 March 14 8 0.8 7.68 -2.5 April 19 18 1.38 13.28 5 May 30 25 2.04 19.6 14 June 28 29 2.14 20.56 15 July 21 17 1.41 13.52 5.5 August 17 11 1.03 9.84 0.5 September 16 10 0.95 9.12 -0.5 October 11 12 0.87 8.32 -2 November 6 5 0.41 3.92 -8 December 8 6 0.52 4.96 -6.5
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Unformatted text preview: 15 12 1 9.6 multiplicative = (year avg) x (year trend) x (seasonal component) most recent mean 12 trend component 0.8 Additive = (most recent mean) + (trend) + (seasonal) most recent mean 12 trend-3 Additive forecast 2008-1.5-1 6.5 14 23 24 14.5 9.5 8.5 7 1 2.5 9...
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Hw 1 # 4 - 15 12 1 9.6 multiplicative = (year avg) x (year...

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