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| Why the Social Researcher Uses Statistics | |
| The Nature of Social Research | |
| Why Test Hypotheses? | |
| The Stages of Social Research | |
| Using Series of Numbers to Do Social Research | |
| Functions of Statistics | |
| Looking at the Larger Picture: A Student Survey | |
| I | |
| Organizing the Data | |
| Frequency Distributions of Nominal Dat... MORE | |
| Comparing Distributions | |
| Proportions and Percentages | |
| Ratios and Rates | |
| Simple Frequency Distributions of Ordinal and Interval Data | |
| Grouped Frequency Distributions of Interval Data | |
| Cumulative Distributions | |
| Percentile Ranks | |
| Dealing with Decimal Data | |
| Flexible Class Intervals | |
| Cross-Tabulations | |
| Graphic Presentations | |
| Measures of Central Tendency | |
| The Mode | |
| The Median | |
| The Mean | |
| Taking One Step at a Time | |
| Comparing the Mode, Median, and Mean | |
| Obtaining the Mode, Median, and Mean from a Simple Frequency Distribution | |
| Obtaining the Mode, Median, and Mean from a Grouped Frequency Distribution | |
| Step-by-Step Study Guide: Mode, Median, and Mean for Raw Scores | |
| Measures of Variability | |
| The Range | |
| The Mean Deviation | |
| The Variance and Standard Deviation | |
| The Raw-Score Formula for Variance and Standard Deviation | |
| The Meaning of the Standard Deviation | |
| Comparing Measures of Variability | |
| Obtaining the Variance and Standard Deviation from a Simple Frequency Distribution | |
| Obtaining the Variance and Standard Deviation from a Grouped Frequency Distribution | |
| Step-by-Step Study Guide: Variance and Standard Deviation for Raw Scores | |
| Looking at the Larger Picture: Describing Data | |
| From Description To Decision Making | |
| Probability and the Normal Curve | |
| Rules of Probability | |
| Probability Distributions | |
| The Normal Curve as a Probability Distribution | |
| Characteristics of the Normal Curve | |
| The Model and the Reality of the Normal Curve | |
| The Area Under the Normal Curve | |
| Standard Scores and the Normal Curve | |
| Finding Probability Under the Normal Curve | |
| Obtaining Percentile Ranks from the Normal Curve | |
| Step-by-Step Study Guide: Probability Under the Normal Curve | |
| Step-by-Step Study Guide: Percentile Ranks from the Normal Curve | |
| Samples and Populations | |
| Sampling Methods | |
| Sampling Error | |
| Sampling Distribution of Means | |
| Standard Error of the Mean | |
| Confidence Intervals | |
| The t Distribution | |
| Estimating Proportions | |
| Step-by-Step Study Guide: Confidence Interval for the Mean Using z | |
| Step-by-Step Study Guide: Confidence Interval for the Mean Using t | |
| Step-by-Step Study Guide: Confidence Interval for the Proportion | |
| Looking at the Larger Picture: Generalizing from Samples to Populations | |
| III | |
| Testing Differences Between Means | |
| The Null Hypothesis: No Difference Between Means | |
| The Research Hypothesis: A Difference Between Means | |
| Sampling Distribution of Differences Between Means | |
| Testing Hypotheses with the Distribution of Differences Between Means | |
| Levels of Significance | |
| Standard Error of the Difference Between Means | |
| Testing the Difference Between Means | |
| Comparing the Same Sample Measured Twice | |
| Two Sample Tests of Proportions | |
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