# Essentials of Statistics,7th edition

Published by Pearson (March 11, 2022) © 2023

• Mario F. Triola Dutchess Community College

## eTextbook

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## MyLab

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• Reach every student with personalized support
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For courses in Introductory Statistics.

### Statistics for technology, careers and life

Essentials of Statistics helps students of all majors understand the role of statistics in our world. Data science is growing exponentially, and statistics is essential to careers from phys ed to law, business and more. From vaccine trials to elections and self-driving cars, statistics shapes our lives.

The 7th Edition uses the latest and best methods of professional statisticians. It presents topics used in data science and many other applications, with the very large data sets now common in current culture. It includes new and interesting exercises, examples, data sets and Chapter Problems, and much more.

### Hallmark features of this title

#### Real data

• More than 90% of all examples, exercises, and problems use real data.
• Data sets increase statistical literacy. Larger data sets provide experience that aligns with what students are likely to do in future careers.
• Emphasis on interpreting results rather than just obtaining answers helps students develop statistical literacy and arrive at practical conclusions. Worked examples model this approach.

#### Application and interpretation

• Your Turn feature in many examples directs students to a relevant exercise so they can immediately apply what they've learned.
• Flowcharts throughout simplify and clarify complex concepts and procedures.
• The optional print Student Workbook offers additional examples, concept exercises, and vocabulary exercises for each chapter.

### New and updated features of this title

• New content: Approximately 65% of Exercises, 57% of Examples and 100% of Chapter Problems are new to the 7th Edition.
• New Data Sets in Appendix B: Data sets are expanded from 32 data sets to 46, with 20 sets that are new (such as Internet Traffic, Queues, Commute Times, Candies, Taxis, Car Data and Disney World Wait Times). Significantly larger data sets in this edition are essential as students enter the age of big data and data science.
• New types of exercises: The Cumulative Review Exercises near the end of Chapters 9, 10, and 11 consist of open-ended questions that present students with a data set. Students are then asked to pose a key question relevant to the data, identify a procedure for addressing that question, and analyze the data to form a conclusion.
• 34 New Margin Essays highlight real-world topics,
• Big (or Very Large) Data Projects are new to this revision. Found near the end of each chapter, these ask students to think critically while using large data sets.
• New Chapter Problem icon marks Examples that relate to the Chapter Problem, to show how different statistical concepts and procedures can be applied to the real-world issue highlighted in the chapter.

### Features of MyLab Statistics for the 7th Edition

• Tech-Specific Video Tutorials are short, topical videos on how to use varying technologies to complete exercises.
• Chapter Review Videos are an updated review to help students understand key chapter concepts and examples. Section Lecture Videos feature Marty Triola working through examples and expanding on chapter objectives.
• All data sets are available for easy download for any statistical software and, where appropriate, auto-graded exercises use similar data sets so students get hands-on practice with the interpretation of real data.
• StatCrunch® software helps students analyze data sets easily from exercises and the text. Access to www.StatCrunch.com enables users to access tens of thousands of shared data sets, create and conduct online surveys, perform complex analyses, and generate reports. The StatCrunch Question Library makes it easy to assign projects or exercises.
• New version of Statdisk for the 7th Edition includes additional methods of resampling using bootstrapping and randomization. Statdisk is now a browser-based program that can be used on any device with a modern web browser, including laptops (Windows, macOS), Chromebooks, tablets, and smartphones.
• R added to end-of-section Tech Centers. Statdisk, Excel, StatCrunch, Minitab, and TI-83>84 Plus calculators are retained.
1. Introduction to Statistics
2. Exploring Data with Tables and Graphs
3. Describing, Exploring, and Comparing Data
4. Probability
5. Discrete Probability Distributions
6. Normal Probability Distributions
7. Estimating Parameters and Determining Sample Sizes
8. Hypothesis Testing
9. Inferences from Two Samples
10. Correlation and Regression
11. Chi-Square and Analysis of Variance

### APPENDICES

1. Tables and Formulas
2. Data Sets
3. Websites and Bibliography of Books
4. Answers to Odd-Numbered Section Exercises (and all Quick Quizzes, all Review Exercises, and all Cumulative Review Exercises)

### About our author

Mario F. Triola is a Professor Emeritus of Mathematics at Dutchess Community College, where he has taught statistics for over 30 years. Marty also is the author of Elementary Statistics, 14th EditionElementary Statistics Using Excel, 7th Edition and Elementary Statistics Using the TI-83/84 Plus Calculator, 5th Edition. He is a coauthor of Biostatistics for the Biological and Health Sciences, 2nd EditionStatistical Reasoning for Everyday Life, 5th Edition and Business StatisticsEssentials of Statistics is currently available as a Global Edition, and it has been translated into several foreign languages.

Marty designed the original Statdisk statistical software, and he has written several manuals and workbooks for technology supporting statistics education. He has been a speaker at many conferences and colleges. Marty's consulting work includes the design of casino slot machines and fishing rods. He has worked with attorneys in determining probabilities in paternity lawsuits, analyzing data in medical malpractice lawsuits, identifying salary inequities based on gender, and analyzing disputed election results. He has also used statistical methods in analyzing medical school surveys, analyzing survey results for the New York City Transit Authority, and analyzing COVID-19 virus data for government officials. Marty has testified as an expert witness in the New York State Supreme Court. The Text and Academic Authors Association has awarded Marty a "Texty" for Excellence for his work on Elementary Statistics; as of this writing, Elementary Statistics has been the #1 statistics book in the United States for the past 25 years.

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