Introduction to Statistics, Think & Do 4.1th edition

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Scott Stevens
Publisher: Worldwide Center of Mathematics

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  • Chapter 1: Introduction
    • 1.1: Statistics and Data (12)
    • 1.2: Sampling (10)
    • 1.3: Lying with Statistics and Percentages (5)
    • 1: Discussion Problems
    • 1: Summary Worksheet

  • Chapter 2: Descriptive Statistics
    • 2.1: Averages
    • 2.2: Range, Standard Deviation and Variance (12)
    • 2.3: Measures of Relative Standing: z-scores (4)
    • 2.4: Measures of Relative Standing: Quartiles, Percentiles, and Box Plots (2)
    • 2.5: Weighted Averages & Simpson's Paradox (5)
    • 2: Discussion Problems
    • 2: Summary Worksheet
    • 2: Extra Problems (4)

  • Chapter 3: Statistical Tables and Graphics
    • 3.1: Frequency Distributions
    • 3.2: Histograms (13)
    • 3.3: Other Statistical Graphics (2)
    • 3: Summary Worksheet

  • Chapter 4: Introduction to Probability
    • 4.1: Basics (9)
    • 4.2: Conditional Probability (4)
    • 4.3: The Addition Rule (4)
    • 4.4: The Multiplication Rule (8)
    • 4.5: One Bad Apple - Probabilities of At Least One (4)
    • 4: Discussion Problems
    • 4: Summary Worksheet
    • 4: Extra Problems (1)

  • Chapter 5: Discrete Probability Distributions - Binomial Distributions
    • 5.1: Discrete Random Variables and Probability Distributions (6)
    • 5.2: Binomial Probability Distributions (14)
    • 5.3: Mean and Standard Deviation of a Binomial Distribution (4)
    • 5: Discussion Problems
    • 5: Summary Worksheet

  • Chapter 6: Continuous Probability Distributions: Normal Distributions
    • 6.1: Continuous Random Variables and The Standard Normal Distribution (7)
    • 6.2: Normal Distributions in General (7)
    • 6.3: Sampling Distributions
    • 6.4: The Central Limit Theorem (7)
    • 6.5: The Normal Approximation to the Binomial Distribution (4)
    • 6: Summary Worksheet
    • 6: Extra Problems (2)

  • Chapter 7: Confidence Intervals
    • 7.1: Introduction to Confidence Intervals
    • 7.2: Estimating a Population Mean and Sample Size (σ known) (5)
    • 7.3: Estimating a Population Proportion and Sample Size (11)
    • 7.4: Estimating a Population Mean (σ unknown) (10)
    • 7.5: A Summary and some loose ends (6)
    • 7: Discussion Problem 1 - Nate Silver - 2012 Election
    • 7: Discussion Problem 2 - Estimating a Population Size
    • 7: Summary Worksheet

  • Chapter 8: Hypothesis Testing - One Sample
    • 8.1: Foundations of Hypothesis Testing (7)
    • 8.2: Hypothesis Tests About a Proportion (12)
    • 8.3: Hypothesis Tests About a Mean: σ Not Known (20)
    • 8.4: Hypothesis Tests About a Mean: σ Known (Optional) (4)
    • 8: Summary Worksheet
    • 8: Extra Problems (1)

  • Chapter 9: Hypothesis Testing - Two Samples
    • 9.1: Hypothesis Tests for Mean Differences: Paired Data (12)
    • 9.2: Hypothesis Tests for Two Means: Independent Data (18)
    • 9.3: Hypothesis Tests for Two Proportions (12)
    • 9: Summary Worksheet (8)

  • Chapter 10: Correlation and Regression
    • 10.1: Correlation
    • 10.2: Linear Regression (19)
    • 10.3: The Hypothesis Test Behind the Scenes
    • 10.4: Multiple Linear Regression: Controlling for Variables - An Introduction
    • 10: Summary Worksheet (3)

  • Chapter 11: Additional Hypothesis Tests
    • 11.1: Chi-Squared Test for Goodness of Fit (12)
    • 11.2: Chi-Squared Test of Independence (16)
    • 11.3: ANOVA - An Introduction (10)
    • 11: Summary Worksheet

Stevens' Introduction to Statistics: Think & Do textbook is presented in an innovative workbook format, integrating theoretical content with demonstrative examples and exercises in a page-by-page bullet point format. Designed to mimic the style of a typical classroom lecture, new content is initially summarized at the top of the page, followed by a completed demonstrative example before an unfinished example for the student to complete. While students often have difficulty connecting what is learned in a lecture to the corresponding content of a traditional textbook, Stevens' book bridges this gap by combining lecture notes, examples, exercises, and textbook content into a single, well-organized workbook. The digital version contains video solutions to selected exercises.

Questions Available within WebAssign

Most questions from this textbook are available in WebAssign. The online questions are identical to the textbook questions except for minor wording changes necessary for Web use. Whenever possible, variables, numbers, or words have been randomized so that each student receives a unique version of the question. This list is updated nightly.

Question Group Key
P - Problem Set
SW - Summary Worksheet
XP - Extra Problem (not found in textbook)


Question Availability Color Key
BLACK questions are available now
GRAY questions are under development


Group Quantity Questions
Chapter 1: Introduction
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Chapter 2: Descriptive Statistics
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Chapter 3: Statistical Tables and Graphics
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Chapter 4: Introduction to Probability
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Chapter 5: Discrete Probability Distributions - Binomial Distributions
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Chapter 6: Continuous Probability Distributions: Normal Distributions
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Chapter 7: Confidence Intervals
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Chapter 8: Hypothesis Testing - One Sample
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Chapter 9: Hypothesis Testing - Two Samples
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9.SW 8 001 001.Data 001.Software 002 002.Data 002.Software 003 003.Software
Chapter 10: Correlation and Regression
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10.SW 3 001-003 005 006
Chapter 11: Additional Hypothesis Tests
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Total 336