Problem 18-28 (Algo) The following are historical demand data: YEAR SEASON ACTUAL DEMAND 2011 Spring 203 Summer 142 Fall 370 Winter 576 2012 Spring 470 Summer 275 Fall 682 Winter 962.   Use regression analysis on deseasonalized demand to forecast demand in summer 2013. (Do not round intermediate calculations. Round your answer to the nearest whole number.)

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Q: Problem 18-28 (Algo) The following are historical demand data: YEAR SEASON 2011 Spring Summer Fall…

A: YearSeasonActual Demand2011Spring204Summer150Fall374Winter5722012Spring474Summer274Fall675Winter964

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