Newfield Motorcycle Sales Forecasting Research

In this thesis,after introducing calculation of regressive analysis, calculation of timeliness sequence and calculation of seasonal variation ,the author tried to find some calculating methods for Xintian Co. Ltd through comparing many kinds of calculating method. After a great deal of calculation, analysis and comparison, the author found the suitable calculating methods for most kinds of Xintian Co. Ltd's motorcycle respectively. And then, the author tested the calculating method by comparing the result of calculation with the new sales datum, and the author found that the selected calculating method is suitable for Xintian Co. Ltd,and then,using these calculating methods, the author calculated the sales datum of third season and fourth season in 2001. The general manager of Xintian Co. Ltd accepted the author's result and began to use the calculating methods which the author had promoted. The author was very happy for solving the Xintian Co. Ltd's problem.