# Understanding Basic Statistics

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### Overview

A condensed, streamlined version of the popular, widely used Understandable Statistics, 8/e, this text offers instructors an effective solution to teaching the essentials of statistics within a shorter time frame.

Designed to help students overcome their apprehension about statistics, Understanding Basic Statistics, 4/e is a thorough, accessible text that demonstrates the applicability of statistics in the real world. Student-friendly highlights of the Fourth Edition include solutions and key steps to odd-numbered problems, highlighted definitions, Expand Your Knowledge and Cumulative Review Problems, and a complete technology package with additional learning opportunities and skills-reinforcement exercises.

• Coverage of regression appears early in this edition.
• Procedures provide a brief summary of the statistical methods introduced in each chapter section. Examples and Guided Exercises demonstrate each Procedure.
• Cumulative Review Problems appear at the end of Chapters 3, 6, 9, and 11 and integrate concepts introduced in the previous three chapters.
• Guided Exercises immediately follow selected examples and provide an opportunity for students to explore new concepts. Worked-out solutions next to each exercise give students immediate reinforcement.
• Focus Points! at the beginning of each section introduce the topics to be covered.
• Data Highlights: Group Projects at the end of each chapter simulate real-world working situations. Together students discuss topics, analyze data, and formulate a group response to questions posed in the exercise.
• Linking Concepts: Writing Projects challengestudents to craft an essay response to questions that apply statistical concepts to real life situations.

### Product Details

• ISBN-13: 9780618726615
• Publisher: Cengage Learning
• Publication date: 2/1/2006

Contents
• 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
• 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
• 3. Averages and Variation
3.1 Measures of Central Tendency: Mode, Median, and Mean
3.2 Measures of Variation
3.3 Percentiles and Box-and Whisker Plots
• Cumulative Review Problems: Ch. 13
• 4. Correlation and Regression
Focus Problem: Changing Populations and Crime Rate
4.1 Scatter Diagrams and Linear Correlation
4.2 Linear Regression and the Coefficient of Determination
• 5. Elementary Probability Theory
Focus Problem: How Often Do Lie Detectors Lie?
5.1 What is Probability?
5.2 Some Probability Rules-Compound Events
5.3 Trees and Counting Techniques
• 6. The Binomial Probability Distribution and Related Topics
Focus Problem: Personality Preference Types: Introvert of Extrovert?
6.1 Introduction to Random Variables and Probability Distributions
6.2 Binomial Probabilities
6.3 Additional Properties of the Binomial Distribution
• Cumulative Review Problems: Ch. 46
• 7. Normal Curves and Sampling Distributions
7.1 Graphs of Normal Probability Distributions
7.2 Standard Units and Areas Under the Standard Normal Distribution
7.3 Areas Under Any Normal Curve
7.4 Sampling Distributions
7.5 The Central LimitTheorem
7.6 Normal Approximation to the Binomial Distribution
• 8. Estimation
Focus Problem: Trick or Treat!!!
8.1 Estimating μ When σ is Known
8.2 Estimating μ When σ is Unknown
8.3 Estimating p in the Binomial Distribution
• 9. Hypothesis Testing
Focus Problem: Benford's Law: The Importance of Being No.1
9.1 Introduction to Statistical Tests
9.2 Testing the Mean of μ
9.3 Testing a Proportion p
Focus Problem: The Trouble with Wood Ducks
10.1 Test Involving Paired Differences (Dependent Samples)
10.2 Inferences About Differences of Two Means μ1-μ2
10.3 Inferences About the Difference of Two Proportions p1-p2
• 11. Additional Topics Using Inference
Focus Problem: Stone Age Tools and Archaeology
Part I: Inferences Using the Chi-Square Distribution
11.1 Chi-Square: Tests of Independence
11.2 Chi-Square: Goodness of Fit
11.3 Testing a Single Variance or Standard Deviation
Part II: Inferences Relating to Linear Regression
11.4 Inferences for Correlation and Regression
• Cumulative Review Problems Problems: Ch.1011

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