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• W560763451 abstract "1. WHAT IS STATISTICS? Illustrative Statistical Problems / The Population and the Sample / The Essential Elements of a Statistical Problem / The Role of Statistics in Inference Making / Case Study Revisited: More on the Census in the Year 2000 / Summary / A Note to the Reader 2. DESCRIBING SETS OF DATA Variables and Data / Types of Variables / Statistical Tables and Graphs / Relative Frequency Distributions / Stem and Leaf Displays / Numerical Methods for Describing a Set of Data / Measures of Central Tendency / Measures of Variability / On the Practical Significance of the Standard Deviation / A Check on the Calculation of s / Graphical and Numerical Techniques for Bivariate Data / Measures of Relative Standing / Box Plots / Case Study Revisited: Describing the Money Market Fund Data / Summary 3. PROBABILITY AND DISCRETE PROBABILITY DISTRIBUTIONS The Role of Probability in Statistics / The Probability of an Event / Event Composition and Event Relations / Conditional Probability and Independent Events / Bayes' Rule and Conditional Probability (Optional) / Discrete Random Variables and Their Probability Distributions / Case Study Revisited: More on Baby Boomers and Department Stores / Remarks 4. USEFUL DISCRETE PROBABILITY DISTRIBUTIONS Introduction / The Binomial Probability Distribution / The Poisson Probability Distribution / Other Discrete Probability Distributions (Optional) / Case Study Revisited: More About Driving Rights / Summary 5. THE NORMAL AND OTHER CONTINUOUS PROBABILITY DISTRIBUTIONS Probability Distributions for Continuous Random Variables / The Normal Probability Distribution / Tabulated Areas of the Normal Probability Distribution / The Normal Approximation to the Binomial Probability Distribution / Other Useful Continuous Probability Distributions (Optional) / Case Study Revisited: How Much is a Full Tank of Gas Worth? / Summary 6. SAMPLING DISTRIBUTIONS Random Sampling / Sampling Distributions of Statistics / The Central Limit Theorem and the Sampling Distribution of the Sample Mean / The Sampling Distribution of a Sample Proportion / A Sampling Application: Statistical Process Control / Case Study Revisited: The Sampling Distribution of Winnings at Roulette / Summary 7. ESTIMATION OF MEANS AND PROPORTIONS A Brief Summary / Types of Estimators / Large-Sample Estimation / Large-Sample Estimation of a Population Mean / Small-Sample Estimation of a Population Mean / Estimating the Difference Between Two Means / Estimating a Binomial Proportion / Estimating the Difference Between Two Binomial Proportions / Choosing the Sample Size / Case Study Revisited: The Logic Behind the IRS's $3.4 Million Disallowance / Summary 8. TESTS OF HYPOTHESES FOR MEANS AND PROPORTIONS Testing Hypotheses About Population Parameters / A Statistical Test of Hypothesis / A Test of Hypothesis for a Population Mean / Another Way to Report the Results of Statistical Tests: p-Values / Tests Concerning the Difference Between Two Population Means / A Paired-Difference Test / A Large-Sample Test of Hypothesis for a Population Proportion / A Large-Sample Test of Hypothesis for the Difference Between Two Binomial Proportions / Inferences Concerning Population Variances / Some Comments on the Theory of Tests of Hypotheses / Assumptions / Case Study Revisited: More on Post--Cold War Contractors / Summary 9. THE ANALYSIS OF VARIANCE The Motivation for an Analysis of Variance / The Assumptions for an Analysis of Variance / The Completely Randomized Design: A One-Way Classification / An Analysis of Variance for a Completely Randomized Design / Computing Formulas: An Analysis of Variance for a Completely Randomized Design (Optional) / The Randomized Block Design / An Analysis of Variance for a Randomized Block Design (Optional) / Computing Formulas: The Analysis of Variance for a Randomized Block Design (Optional / Factorial Experiments / The Analysis of Variance for a Factorial Experiment / Computing Formulas: The Analysis of Variance for a Two-Factor Factorial Experiment / Ranking Population Means / Satisfying the Assumptions for an Analysis of Variance: Variance-Stabilizing Transformations (Optional) / Case Study Revisited: An Analysis of the Difference in Grocery Prices at Four Points in Time / Summary 10. QUALITY CONTROL Quality Control / Monitoring Product Quality Using Control Charts / A Control Chart for the Process Mean: The x Chart / A Control Chart for Process Variation: The R Chart / Process Capability / A Control Chart for the Proportion Defective: The p Chart / A Control Chart for the Number of Defects per Item: The c Chart / A Test for Nonrandomness / Lot Acceptance Sampling for Defectives / Double and Sequential Lot Acceptance Sampling Plans / Acceptance Sampling by Variables / Case Study Revisited: A Solution to the Missing Oil Stocks / Summary 11. LINEAR REGRESSION AND CORRELATION Introduction / A Simple Linear Probabilistic Model / The Method of Least Squares / Inferences Concerning the Slope of the Line, B1 / Estimation and Prediction Using the Fitted Line / Calculational Formulas / A Coefficient of Correlation / Assumptions / Case Study Revisited: A Computer Analysis of the Foreign Car Imports / Summary 12. MULTIPLE REGRESSION ANALYSIS Introduction / The Multiple Regression Model and Associated Assumptions / A Multiple Regression Analysis / The Use of Quantitative and Qualitative Variables in Linear Regression Models / Testing Sets of Model Parameters / Residual Analysis / Stepwise Regression Analysis / Misinterpretations in a Regression Analysis / Linear Models for Quantitative Variables (Optional) / Steps to Follow When Building a Linear Model / Case Study Revisited: A Multiple Regression Analysis for Foreign Car Imports / Summary 13. THE CHI-SQUARE GOODNESS-OF-FIT TEST A Multinomial Experiment / The Chi-Square Goodness-of-Fit Test / Contingency Tables / r x c Tables with Fixed Row or Column Totals / Case Study Revisited: Attitudes in the Workplace / Summary / APPENDIX I: DESCRIPTION OF THE DATA SETS / APPENDIX II: TABLES / APPENDIX III: CASE STUDIES / APPENDIX IV: PRIMARY DATA SOURCES / APPENDIX V: USING EXCEL / ANSWERS TO SELECTED EXERCISES / INDEX" @default.
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• W560763451 title "A brief course in business statistics" @default.
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