Statistics for Business and Economics Solutions Manual 解答手册.doc

Solutions Manual to Accompany Statistics for Business and Economics Eighth Edition David R. Anderson University of Cincinnati Dennis J. Sweeney University of Cincinnati Thomas A. Williams Rochester Institute of Technology ( 2002 by South-Western/Thomson Learning( Cincinnati, Ohio Contents Chapter 1. Data and Statistics 2. Descriptive Statistics: Tabular and Graphical Approaches 3. Descriptive Statistics: Numerical Methods 4. Introduction to Probability 5. Discrete Probability Distributions 6. Continuous Probability Distributions 7. Sampling and Sampling Distributions 8. Interval Estimation 9. Hypothesis Testing 10. Statistical Inference about Means and Proportions With Two Populations 11. Inferences about Population Variances 12. Tests of Goodness of Fit and Independence 13. Analysis of Variance and Experimental Design 14. Simple Linear Regression 15. Multiple Regression 16. Regression Analysis: Model Building 17. Index Numbers 18. Forecasting 19. Nonparametric Methods 20. Statistical Methods for Quality Control 21. Sample Survey Preface The purpose of Statistics for Business and Economics is to provide students, primarily in the fields of business administration and economics, with a sound conceptual introduction to the field of statistics and its many applications. The text is applications-oriented and has been written with the needs of the nonmathematician in mind. The solutions manual furnishes assistance by identifying learning objectives and providing detailed solutions for all exercises in the text. Acknowledgements We would like to provide special recognition to Catherine J. Williams for her efforts in preparing the solutions manual. David R. Anderson Dennis J. Sweeney Thomas A. Williams Chapter 1 Data and Statistics Learning Objectives 1. Obtain an appreciation for the breadth of statistical applications in business and economics. 2. Understand the meaning of the terms elements, variables, and observations as they are used in statistics. 3. Obta