| |
| |
| |
| Exploring Data | |
| |
| |
| |
| Picturing Distributions with Graphs | |
| |
| |
| Individuals and variables | |
| |
| |
| Categorical variables: pie charts and bar graphs | |
| |
| |
| Quantitative variables: histograms | |
| |
| |
| Interpreting histograms | |
| |
| |
| Quantitative variables: stemplots | |
| |
| |
| Time plots | |
| |
| |
| |
| Describing Distributions with Numbers | |
| |
| |
| Measuring center: the mean | |
| |
| |
| Measuring center: the median | |
| |
| |
| Comparing the mean and the median | |
| |
| |
| Measuring spread: the quartiles | |
| |
| |
| The five-number summary and boxplots | |
| |
| |
| Measuring spread: the standard deviation | |
| |
| |
| Choosing measures of center and spread | |
| |
| |
| Using technology | |
| |
| |
| Organizing a statistical problem | |
| |
| |
| |
| The Normal Distributions | |
| |
| |
| Density curves | |
| |
| |
| Describing density curves | |
| |
| |
| Normal distributions | |
| |
| |
| The 68-95-99.7 rule | |
| |
| |
| The standard Normal distribution | |
| |
| |
| Finding Normal proportions | |
| |
| |
| Using the standard Normal table | |
| |
| |
| Finding a value given a proportion | |
| |
| |
| |
| Scatterplots and Correlation | |
| |
| |
| Explanatory and response variables | |
| |
| |
| Displaying relationships: scatterplots | |
| |
| |
| Interpreting scatterplots | |
| |
| |
| Measuring linear association: correlation | |
| |
| |
| Facts about correlation | |
| |
| |
| |
| Regression | |
| |
| |
| Regression lines | |
| |
| |
| The least-squares regression line | |
| |
| |
| Using technology | |
| |
| |
| Facts about least-squares regression | |
| |
| |
| Residuals | |
| |
| |
| Influential observations | |
| |
| |
| Cautions about correlation and regression | |
| |
| |
| Association does not imply causation | |
| |
| |
| |
| Exploring Data: Part I Review | |
| |
| |
| Part I Summary | |
| |
| |
| Review Exercises | |
| |
| |
| Supplementary Exercises | |
| |
| |
| |
| From Exploration to Inference | |
| |
| |
| |
| Producing Data: Sampling | |
| |
| |
| Population versus sample | |
| |
| |
| How to sample badly | |
| |
| |
| Simple random samples | |
| |
| |
| Inference about the population | |
| |
| |
| Cautions about sample surveys | |
| |
| |
| |
| Producing Data: Experiments | |
| |
| |
| Observation versus experiment | |
| |
| |
| Subjects, factors, treatments | |
| |
| |
| How to experiment badly | |
| |
| |
| Randomized comparative experiments | |
| |
| |
| The logic of randomized comparative experiments | |
| |
| |
| Cautions about experimentation | |
| |
| |
| Matched pairs designs | |
| |
| |
| |
| Introducing Probability | |
| |
| |
| The idea of probability | |
| |
| |
| Probability models | |
| |
| |
| Probability rules | |
| |
| |
| Discrete probability models | |
| |
| |
| Continuous probability models | |
| |
| |
| Random variables | |
| |
| |
| IV Starred material is not required for later parts of the text | |
| |
| |
| |
| Sampling Distributions | |
| |
| |
| Parameters and statistics | |
| |
| |
| Statistical estimation and the law of large numbers | |
| |
| |
| Sampling distributions | |
| |
| |
| The mean and standard deviation of ���”x | |