Hudson Marine provides boat sales, service, and maintenance. Boat trailers are one of its top sales items.

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Hudson Marine provides boat sales, service, and maintenance. Boat trailers are one of its top sales items. The following table reports the number of trailers sold for the last seven years. 

Year 1 2 3 4 5 6 7 Number Sold 35 50 75 90 105 110 130


a. Construct a time series plot. Does a linear trend appear to be present? 

b. Using statistical software, develop a linear trend equation for this time series. 

c. Use the linear trend equation developed in part (b) to develop a forecast for annual sales in year 8.

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Statistics For Business & Economics

ISBN: 9781337901062

14th Edition

Authors: David R. Anderson, Dennis J. Sweeney, Thomas A. Williams, Jeffrey D. Camm, James J. Cochran

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