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Author Foster, Dean P. author Business Analysis Using Regression [electronic resource] : A Casebook / by Dean P. Foster, Robert A. Stine, Richard P. Waterman New York, NY : Springer New York : Imprint: Springer, 1998 http://dx.doi.org/10.1007/978-1-4612-0683-5 348p. 183 illus. online resource

SUMMARY

Preface Statistics is seldom the most eagerly anticipated course of a business student. It typically has the reputation ofbeing aboring, complicated, and confusing mix of mathematical formulas and computers. Our goal in writing this casebook and the companion volume (Basic Business Statistics) was to change that impression by showing how statistics gives insights and answers interesting business questions. Rather than dwell on underlying formulas, we show how to use statistics to answer questions. Each case study begins with a business question and concludes with an answer. Formulas appear only as needed to address the questions, and we focus on the insights into the problem provided by the mathematics. The mathematics serves a purpose. The material is organized into 12 "classes" of related case studies that develop a single, key idea of statistics. The analysis of data using statistics is seldom very straightforward, and each analysis has many nuances. Part ofthe appeal ofstatistics is this richness, this blending of substantive theories and mathematics. For a newcomer, however, this blend is too rich and they are easily overwhelmed and unable to sort out the important ideas from nuances. Although later cases in these notes suggest this complexity, we do not begin that way. Each class has one main idea, something big like standard error. We begin a class by discussing an application chosen to motivate this key concept, and introduce the necessary terminology

CONTENT

Class 1. Fitting Equations to Data -- Efficiency of Cleaning Crews -- Liquor Sales and Display Space -- Managing Benefits Costs -- Predicting Cellular Phone use -- Class 2. Assumptions in Regression Modeling -- The Ideal Regression Model -- Predicting Cellular Phone use, Revisited -- Efficiency of Cleaning Crews, Revisited -- Housing Prices and Crime Rates -- Direct Mail Advertising and Sales -- Housing Construction -- Class 3. Prediction and Confidence Intervals in Regression -- Housing Construction, Revisited -- Liquor Sales and Display Space, Revisited -- Class 4. Multiple Regression -- Automobile Design -- Class 5. Collinearity -- Stock Prices and Market Indices -- Improving Parcel Handling -- Class 6. Modeling Categorical Factors with two Levels -- Employee Performance Study -- Class 7. Modeling Categorical Factors with two or More Levels -- Wage Discrimination, Revisited -- Timing Production Runs -- Class 8. Summary Regression Case -- Executive Compensation -- Using Stepwise Regression for Prediction -- Class 9. Comparing Many Mean Values -- Selecting the Best Vendor -- Headache Pain Relief -- Analysis of Variance and Tests for Linearity -- Class 10. Analysis of Variance with Two Factors -- Package Design Experiment -- Evaluating Employee time Schedules -- Class 11. Modeling a Categorical Response -- The Challenger Disaster -- Marketing Orange Juice -- Class 12. Modeling Time Series -- Predicting Cellular Phone use, Revisited -- Trends in Computer Sales -- Assignments -- Appendix: Use with Minitab

Statistics Statistics Statistics general

Location

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