Sales of walking shorts at Hugo’s Department Store in downtown Rolla appear toexhibit a seasonal pattern. The proprietor of the store, Wally Hugo, has kept carefulrecords of the sales of several of his popular items, including walking shorts. Duringthe past two years the monthly sales of the shorts have beenYear 1 Year 2 Year 1 Year 2Jan. 12 16 July 112 130Feb. 18 14 Aug. 90 83March 36 46 Sep. 66 52April 53 48 Oct. 45 49May 79 88 Nov. 23 14June 134 160 Dec. 21 26Assuming no trend in shorts sales over the two years, obtain estimates for themonthly seasonal factors.

Sales of walking shorts at Hugo’s Department Store in downtown Rolla appear toexhibit a seasonal pattern. The proprietor of the store, Wally Hugo, has kept carefulrecords of the sales of several of his popular items, including walking shorts. Duringthe past two years the monthly sales of the shorts have beenYear 1 Year 2 Year 1 Year 2Jan. 12 16 July 112 130Feb. 18 14 Aug. 90 83March 36 46 Sep. 66 52April 53 48 Oct. 45 49May 79 88 Nov. 23 14June 134 160 Dec. 21 26Assuming no trend in shorts sales over the two years, obtain estimates for themonthly seasonal factors.

Practical Management Science

6th Edition

ISBN:9781337406659

Author:WINSTON, Wayne L.

Publisher:WINSTON, Wayne L.

Chapter13: Regression And Forecasting Models

Section13.6: Moving Averages Models

Problem 22P: The file P13_22.xlsx contains total monthly U.S. retail sales data. While holding out the final six...

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