Understandable statistics: concepts and methods

Contents
Critical Thinking
Statistical Literacy
Direction and Purpose
Real-World Skills
Making the Jump
Preface
Additional Resources - Get More from Your Textbook!
Table of Prerequisite Material
Ch 1: Getting Started
	Focus Problem: Where Have All the Fireflies Gone?
	Section 1.1: What is Statistics?
	Section 1.2: Random Samples
	Section 1.3: Introduction to Experimental Design
	Chapter Review
	Using Technology
Ch 2: Organizing Data
	Focus Problem: Say It with Pictures
	Section 2.1: Frequency Distributions, Histograms, and Related Topics
	Section 2.2: Bar Graphs, Circle Graphs, and Time-Series Graphs
	Section 2.3: Stem-and-Leaf Displays
	Chapter Review
	Using Technology
Ch 3: Averages and Variation
	Focus Problem: The Educational Advantage
	Section 3.1: Measures of Central Tendency: Mode, Median, and Mean
	Section 3.2: Measures of Variation
	Section 3.3: Percentiles and Box-and-Whisker Plots
	Chapter Review
	Using Technology
	Cumulative Review Problems: Chapter 1-3
Ch 4: Elementary Probability Theory
	Focus Problem: How Often Do Lie Detectors Lie?
	Section 4.1: What is Probability?
	Section 4.2: Some Probability Rules-Compound Events
	Section 4.3: Trees and Counting Techniques
	Chapter Review
	Using Technology
Ch 5: The Binomial Probability Distribution and Related Topics
	Focus Problem: Personality Preference Types: Introvert or Extrovert?
	Section 5.1: Introduction to Random Variables and Probability Distributions
	Section 5.2: Binomial Probabilities
	Section 5.3: Additional Properties of the Binomial Distribution
	Section 5.4: The Geometric and Poisson Probability Distributions
	Chapter Review
	Using Technology
Ch 6: Normal Curves and Sampling Distributions
	Focus Problem: Impulse Buying
	Section 6.1: Graphs of Normal Probability Distributions
	Section 6.2: Standard Units and Areas under the Standard Normal Distribution
	Section 6.3: Areas under any Normal Curve
	Section 6.4: Sampling Distributions
	Section 6.5: The Central Limit Theorem
	Section 6.6: Normal Approximation to Binomial Distribution and to p Distribution
	Chapter Review
	Using Technology
	Cumulative Review Problems: Chapter 4-6
Ch 7: Estimation
	Focus Problem: The Trouble with Wood Ducks
	Section 7.1: Estimating u When o is Known
	Section 7.2: Estimating u When o is Unknown
	Section 7.3: Estimating p in the Binomial Distribution
	Section 7.4: Estimating u1 - u2 and p1 - p2
	Chapter Review
	Using Technology
Ch 8: Hypothesis Testing
	Focus Problem: Benford's Law: The Importance of Being Number 1
	Section 8.1: Introduction to Statistical Tests
	Section 8.2: Testing the Mean u
	Section 8.3: Testing a Proportion p
	Section 8.4: Tests Involving Paired Differences (Dependent Samples)
	Section 8.5: Testing u1 - u2 and p1 - p2 (Independent Samples)
	Chapter Review
	Using Technology
Ch 9: Correlation and Regression
	Focus Problem: Changing Populations and Crime Rate
	Section 9.1: Scatter Diagrams and Linear Correlation
	Section 9.2: Linear Regression and the Coefficient of Determination
	Section 9.3: Inferences for Correlation and Regression
	Section 9.4: Multiple Regression
	Chapter Review
	Using Technology
	Cumulative Review Problems: Chapter 7-9
Ch 10: Chi-Square and F Distributions
	Focus Problem: Archaeology in Bandelier National Monument
	Part I: Inferences Using the Chi-Square Distribution
	Section 10.1: Chi-Square: Tests of Independence and of Homogeneity
	Section 10.2: Chi-Square: Goodness of Fit
	Section 10.3: Testing and Estimating a Single Variance or Standard Deviation
	Part II: Inferences Using the F Distribution
	Section 10.4: Testing Two Variances
	Section 10.5: One-Way ANOVA: Comparing Several Sample Means
	Section 10.6: Introduction to Two-Way ANOVA
	Chapter Review
	Using Technology
Ch 11: Nonparametric Statistics
	Focus Problem: How Cold? Compared to What?
	Section 11.1: The Sign Test for Matched Pairs
	Section 11.2: The Rank-Sum Test
	Section 11.3: Spearman Rank Correlation
	Section 11.4: Runs Test for Randomness
	Chapter Review
	Cumulative Review Problems: Chapter 10-11
Appendix I: Additional Topics
	Part I: Bayes's Theorem
	Part II: The Hypergeometric Probability Distribution
Appendix II: Tables
Answers and Key Steps to Odd-Numbered Problems
Answers to Selected Even-Numbered Problems
Index