Statistics for Business and EconomicsWest Publishing Company, 1996 - 876 من الصفحات One of the best-selling business statistics text on the market, ASW blends concepts, techniques and applications to strike a balance between a conceptual understanding of statistics and the real-world application of statistical methodology. Uses problem-scenario business examples to introduce techniques (over 200 examples use real companies). Chapters open with Statistics in Practice applications from the business world. Problem sets are divided into Methods, Applications, and Self-Test Exercises and includes hundreds of problems based on real data and/or quality-based examples. Unique Notes and Comments sections give students additional insights about statistical methodology and helpful hints on how to avoid common statistical mistakes. This text can be computer integrated at the discretion of the instructor. Output for analysis, based on Minitab, is included throughout the text where appropriate. Instruction for data analysis based on Excel and Minitab is included in appendices of appropriate chapters. Computer cases are also provided at the end of appropriate chapters, with data sets available on disk in Minitab, Excel, and Data Analyst formats. |
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05 level analysis of variance ANOVA approximate 95 Assume B₁ Chapter chart coefficient of determination Compute conclusion confidence interval confidence interval estimate data set data values decision degrees of freedom denoted difference estimated regression equation example EXERCISES METHODS expected value Figure forecast frequency distribution hypothesis test independent variables indicate interval estimate level of significance managers median Minitab moving average multiple regression normal probability null hypothesis observations obtained outliers p-value percentage point estimate population mean population proportion predict price index probability distribution procedure production random variable regression analysis regression model reject relationship residual plot sample mean sample standard sampling distribution scatter diagram scores selected shows simple linear regression simple random sample standard deviation standard error standardized residuals Step sum of squares survey test statistic trend Type I error weighted x₁