Consider the demand for trading cards listed below.
Month Demand
Jan. 55,000
Feb. 49,000
March 59,000
April 68,000
May 76,000
June 69,000
July 82,000
Aug. 94,000
Sep. 101,000
Use Excel to prepare a forecast for October, November, and December using linear regression. Print out the sheet of results, as well as a sheet containing the formulas that you used ( ` can be used to toggle between displaying values and displaying formulas; or you can click on Formulas-->Formula Auditing-->Show Formulas.)