The Standard Deviation as a Ruler and the Normal Model
II. EXPLORING RELATIONSHIPS BETWEEN VARIABLES
Scatterplots, Association, and Correlation
Linear Regression
Regression Wisdom
Re-expressing Data: Get it Straight!
III. GATHERING DATA
Understanding Randomness
Sample Surveys
Experiments and Observational Studies
IV. RANDOMNESS AND PROBABILITY
From Randomness to Probability
Probability Rules!
Random Variables
Probability Models
V. FROM THE DATA AT HAND TO THE WORLD AT LARGE
Sampling Distribution Models
Confidence Intervals for Proportions
Testing Hypotheses about Proportions
More about Tests and Intervals
Comparing Two Proportions
VI. LEARNING ABOUT THE WORLD
Inferences about Means
Comparing Means
Paired Samples and Blocks
VII. INFERENCE WHEN VARIABLES ARE RELATED
Comparing Counts
Inferences for Regression
Analysis of Variance (online)
Multiple Regression (online)
Appendixes
A Selected Formulas
B Guide to Statistical Software
C Answers
D Photo and Text Acknowledgments
E Index
F Tables
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