1 The Importance of Statistics in an Information-Based World. - 2 Data: The Factual Information. - 3 Statistical Models: The Experimenter's View. - 4 Comparing Model and Data. - 5 Probability: A Fundamental Tool of Statistics. - 6 Some Widely Used Statistical Models. - 7 Some Important Statistics and Their Sampling Distributions. - 8 Statistical Analysis: The Statistician's View. - 9 Examining Proportions and Success Rates. - 10 Model and Data Checking. - 11 Questions About the Average Value. - 12 Comparing Two Groups Treatments or Processes. - 13 Comparative Studies Surveys and Designed Experiments. - 14 Comparing More Than Two Treatments or Groups. - 15 Comparing Mean Response When There Are Three or More Treatments. - 16 Comparing Patterns of Response: Frequency Tables. - 17 Studying Relations Between Variables. - 18 Prediction and Estimation: The Role of Explanatory Variables. - 19 Questions About Variability. - 20 Cause and Effect: Statistical Perspectives. - 21 Studying Changes in Response over Time. - A Tables for Some Common Probability Distributions. - A. 1 The Normal Distribution. - A. 3 The Chi-Squared Distribution. - References. Language: English