Understandable Statistics: Concepts and Methods

Description

Overcome any apprehension you may have as you master statistics with Brase/Brase/Seibert/Dolor's UNDERSTANDABLE STATISTICS: CONCEPTS AND METHODS, 13th Edition. This thorough, yet reader-friendly, program provides clear guidance and informal advice while showing you the connections between statistics and today's world. This intriguing presentation incorporates current, real data drawn from contemporary journals, periodicals and news sources. Updated learning features and exercises help you strengthen critical-thinking skills and your statistical literacy. Optional coverage also shows you how to use graphing calculators, Excel®, Minitab® and other statistical software. An easy-to-use, integrated Statistical Analysis and Learning Tool (SALT) demonstrates how to manipulate data sets and better understand the meaning behind the data. In addition, online homework available through WebAssign provides videos, interactive visual data, online stats labs and other resources to guide you in learning statistics. Cover Contents Preface About the Authors Table of Prerequisite Material Chapter 1: Getting Started Focus Problem: Where Have All the Fireflies Gone? 1.1 What Is Statistics? 1.2 Random Samples 1.3 Introduction to Experimental Design Summary Important Words & Symbols Chapter Review Problems Data Highlights: Group Projects Linking Concepts: Writing Projects Using Technology Chapter 2: Organizing Data Focus Problem: Say It with Pictures 2.1 Frequency Distributions, Histograms, and Related Topics 2.2 Bar Graphs, Circle Graphs, and Time-Series Graphs 2.3 Stem-and-Leaf Displays Summary Important Words & Symbols Chapter Review Problems Data Highlights: Group Projects Linking Concepts: Writing Projects Using Technology Chapter 3: Averages and Variation Focus Problem: Water: Yellowstone River 3.1 Measures of Central Tendency: Mode, Median, and Mean 3.2 Measures of Variation 3.3 Percentiles and Box-and-Whisker Plots Summary Important Words & Symbols Chapter Review Problems Data Highlights: Group Projects Linking Concepts: Writing Projects Using Technology Cumulative Review Problems Chapter 4: Elementary Probability Theory Focus Problem: How Often Do Lie Detectors Lie? 4.1 What Is Probability? 4.2 Some Probability Rules - Compound Events 4.3 Trees and Counting Techniques Summary Important Words & Symbols Chapter Review Problems Data Highlights: Group Projects Linking Concepts: Writing Projects Using Technology Chapter 5: The Binomial Probability Distribution and Related Topics Focus Problem: Experiencing Other Cultures: How Many International Students? 5.1 Introduction to Random Variables and Probability Distributions 5.2 Binomial Probabilities 5.3 Additional Properties of the Binomial Distribution Summary Important Words & Symbols Chapter Review Problems Data Highlights: Group Projects Linking Concepts: Writing Projects Using Technology Chapter 6: Normal Curves and Sampling Distributions Focus Problem: Impulse Buying 6.1 Graphs of Normal Probability Distributions 6.2 Standard Units and Areas under the Standard Normal Distribution 6.3 Areas under Any Normal Curve 6.4 Sampling Distributions 6.5 The Central Limit Theorem 6.6 Normal Approximation to the Binomial Distribution and to the p Distribution Summary Important Words & Symbols Chapter Review Problems Data Highlights: Group Projects Linking Concepts: Writing Projects Using Technology Cumulative Review Problems Chapter 7: Estimation Focus Problem: The Trouble with Wood Ducks 7.1 Estimating u When o Is Known 7.2 Estimating u When o Is Unknown 7.3 Estimating p in the Binomial Distribution 7.4 Estimating u1 - u2 and p1 - p2 Summary Important Words & Symbols Chapter Review Problems Data Highlights: Group Projects Linking Concepts: Writing Projects Using Technology Chapter 8: Hypothesis Testing Focus Problem: Benford's Law: The Importance of Being Number 1 8.1 Introduction to Statistical Tests 8.2 Testing the Mean u 8.3 Testing a Proportion p 8.4 Tests Involving Paired Differences (Dependent Samples) 8.5 Testing u1 - u2 and p1 - p2 (Independent Samples) Summary Finding the p-Value Corresponding to a Sample Test Statistic Important Words & Symbols Chapter Review Problems Data Highlights: Group Projects Linking Concepts: Writing Projects Using Technology Chapter 9: Correlation and Regression Focus Problem: Changing Populations and Crime Rate 9.1 Scatter Diagrams and Linear Correlation 9.2 Linear Regression and the Coefficient of Determination 9.3 Inferences for Correlation and Regression 9.4 Multiple Regression Summary Important Words & Symbols Chapter Review Problems Data Highlights: Group Projects Linking Concepts: Writing Projects Using Technology Cumulative Review Problems Chapter 10: Chi-Square and F Distributions Focus Problem: Archaeology in Bandelier National Monument 10.1 Chi-Square: Tests of Independence and of Homogeneity 10.2 Chi-Square: Goodness of Fit 10.3 Testing and Estimating a Single Variance or Standard Deviation 10.4 Testing Two Variances 10.5 One-Way ANOVA: Comparing Several Sample Means 10.6 Introduction to Two-Way ANOVA Summary Important Words & Symbols Chapter Review Problems Data Highlights: Group Projects Linking Concepts: Writing Projects Using Technology Chapter 11: Nonparametric Statistics Focus Problem: How Cold? Compared to What? 11.1 The Sign Test for Matched Pairs 11.2 The Rank-Sum Test 11.3 Spearman Rank Correlation 11.4 Runs Test for Randomness Summary Important Words & Symbols Chapter Review Problems Data Highlights: Group Projects Linking Concepts: Writing Projects Cumulative Review Problems Appendix I: Additional Topics Appendix II: Tables Answers and Key Steps to Odd-Numbered Problems Index