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Univariate Data | |
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Data Analysis for Improved Decision Making | |
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Introduction | |
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Types of Problems | |
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Mental Models and Effective Problem Solving | |
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Types of Variation | |
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Types of Data Business Professionals Use | |
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Data Measurement Scales | |
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Data Sources for Improved Decision Making | |
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Data Collection through Surveys | |
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Summary | |
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Exercises | |
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Appendices | |
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Describing Univariate Data | |
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Introduction | |
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Management Scenarios and Data Sets | |
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Displaying Cross-Sectional Data for Quantitative Variables | |
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Summarizing Cross-Sectional Data for Quantitative Variables | |
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Assessing Assignable Cause Variation: Cross-Sectional Data for Quantitative Variables | |
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Cross-Sectional Data for Qualitative Variables | |
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Displaying Time-Ordered Data | |
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Summarizing Time-Ordered Data | |
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Assessing Assignable-Cause Variation for Time-Ordered Data | |
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Guide to Data-Analysis Methods | |
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Exercises | |
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Appendices | |
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Basic Probability Concepts and Problems In Assessing Probabilities | |
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Introduction | |
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Types of Probability | |
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Computing Conditional Probabilities and Statistical Independence | |
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Using Probability Trees to Minimize Managerial Judgment Errors | |
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Key Ideas | |
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Exercises | |
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Sampling and Sampling Distributions | |
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The Need for Statistical Inference Methods | |
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Exploring the Distribution of the Sample Mean | |
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The Normal Distribution | |
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Exploring the Distribution of the Sample Proportion | |
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Exploring the Distribution of the Sample Variance | |
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Key Ideas and Overview | |
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Exercises | |
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Appendices | |
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Statistical Inference I: Confidence Intervals | |
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The Statistical Inference Process | |
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Management Scenarios and Data Sets | |
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General Principles of Confidence Intervals | |
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Confidence Intervals on an Unknown Population Mean | |
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Confidence Interval on an Unknown Population Proportion | |
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Determining the Sample Size | |
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Confidence Interval on an Unknown Population Variance | |
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Key Ideas and Overview | |
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Exercises | |
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Appendices | |
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Statistical Inference II: Hypothesis Testing on One Population Parameter | |
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Introduction | |
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Management Scenarios and Data Sets | |
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Hypothesis Testing on One Population Mean | |
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Hypothesis Testing on One Population Proportion | |
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Key Ideas and Summary | |
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Exercises | |
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Appendices | |
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Multivariate Data | |
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Describing Multivariate Data | |
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Introduction | |
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Management Scenarios and Data Sets | |
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Analyzing Mixed Cross-Sectional Data | |
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Analyzing Qualitative Cross-Sectional Data | |
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Analyzing Quantitative Cross-Sectional Data | |
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Analyzing Time-Ordered Quantitative Data | |
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Analyzing Time-Ordered Quantitative Data: Autoregressive Equations | |
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Correlation and Cross-Correlation | |
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Guidelines for Using Chapter's Descriptive Methods | |
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Exercises | |
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Appendices | |
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Hypothesis Testing on Two Population Parameters | |
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Statistical Inference Process | |
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Management Scenarios and Data Sets | |
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Hypothesis Testing on the Difference in the Means of Two Independent Populations Having Equal Variances | |
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Hypothesis Testing on the Difference in the Means of Two Independent Populations Having Unequal Variances | |
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Testing for the Difference between the Means of Two Related Populations: The Paired Sample t-Test for the Matched Pair Design | |
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Testing for the Difference between the Proportions of Two Independent Populations | |
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Testing for the Equality of Variances from Two Independent Populations: The F-test | |
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Roadmap for the Chapter | |
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Exercises | |
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Appendices | |
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Regression Analysis and Chi-Square Test of Independence | |
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Introduction | |
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Management Scenarios and Data Sets | |
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Introduction to Regression Analysis | |
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Scatter Diagramming and the Analysis of Variance | |
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Evaluating the Regression Model Assumptions: Graphical Analysis of Residuals | |
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Using the Estimated Regression Models for Making Predictions | |
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Multicollinearity | |
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Chi-Square Test of Independence | |
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Chapter Overview | |
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Exercises | |
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Appendices | |
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Forecasting and Time Series Analysis | |
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Data Patterns and Forecasting | |
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Management Scenarios and Data Bases | |
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Forecasting Meandering Patterns | |
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Forecasting Seasonal Patterns | |
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Summary | |
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Exercises | |
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Appendices | |
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Quality Area | |
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Quality Improvement and Statistical Process Contro | |