New To This Edition：
★Cohesive Treatment of Decision Models
All models for decision theory have been combined into one chapter. Decision trees and utility theory are now presented along with decision tables.
★New Chapter on Regression Analysis
This includes simple linear regression, multiple regression, and a brief discussion of nonlinear regression. Statistical inference on the overall model is presented. Other topics include dummy or indicator variables, model building, and cautions and pitfalls of using regression analysis.
★Expanded Coverage of Forecasting
The forecasting chapter has been expanded to include the additive approach to decomposition. Dummy variables are used in regression models to incorporate seasonal variations into the forecasts.
★Enhanced Inventory Chapter
Now includes just-in-time (JIT), materials requirements planning (MRP), and enterprise resource planning (ERP) to provide a more complete introduction to inventory models in one chapter.
To streamline the book, six topics are contained in modules available on the student
CD-ROM included with the book. The six modules are：
。Analytic Hierarchy Process
。Decision Theory and the Normal Distribution
。Mathematical Tools: Matrices and Determinants