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A Step-by-Step Introduction to Statistics for Business

Second Edition
by Richard N. Landers

Student Resources

  • Data Skill Challenges
    • Chapter 1: The Language of Statistics
    • Chapter 2: Working with Numbers and Data Display
    • Chapter 3: Central Tendency and Variability
    • Chapter 4: Probability Distributions
    • Chapter 5: Sampling Distributions
    • Chapter 6: Estimation and Confidence Intervals
    • Chapter 8: z-Tests and One-Sample t-Tests
    • Chapter 9: Paired- and Independent-Samples t-Test
    • Chapter 10: Analysis of Variance (ANOVA)
    • Chapter 11: Chi-squared (χ2) tests of fit
    • Chapter 12: Correlation and Regression
    • Chapter 13: Matching Statistical Tests to Business Problems
  • Datasets
  • Flashcard Glossary
  • ‘Stats in the Real World’ Weblinks
    • Chapter 1: The Language of Statistics
    • Chapter 2: Working with Numbers and Data Display
    • Chapter 3: Central Tendency and Variability
    • Chapter 4: Probability Distributions
    • Chapter 5: Sampling Distributions
    • Chapter 6: Estimation and Confidence Intervals
    • Chapter 7: Hypothesis Testing
    • Chapter 8: z-Tests and One-Sample t-Tests
    • Chapter 9: Paired- and Independent-Samples t-Test
    • Chapter 10: Analysis of Variance (ANOVA)
    • Chapter 11: Chi-Squared (χ2) Tests of Fit
    • Chapter 12: Correlation and Regression
    • Chapter 13: Matching Statistical Tests to Business Problems
  • ‘Test Yourself’ Answers
    • Chapter 1: The Language of Statistics
    • Chapter 2: Working with Numbers and Data Display
    • Chapter 3: Central Tendency and Variability
    • Chapter 4: Probability Distributions
    • Chapter 5: Sampling Distributions
    • Chapter 6: Estimation and Confidence Intervals
    • Chapter 7: Hypothesis Testing
    • Chapter 8: z-Tests and One-Sample t-Tests
    • Chapter 9: Paired- and Independent-Samples t-Test
    • Chapter 10: Analysis of Variance (ANOVA)
    • Chapter 11: Chi-Squared (χ2) Tests of Fit
    • Chapter 12: Correlation and Regression
    • Chapter 13: Matching Statistical Tests to Business Problems
  • Tutorial Videos
    • Chapter 1: The Language of Statistics
    • Chapter 2: Working with Numbers and Data Display
    • Chapter 3: Central Tendency and Variability
    • Chapter 4: Probability Distributions
    • Chapter 5: Sampling Distributions
    • Chapter 6: Estimation and Confidence Intervals
    • Chapter 8: z-Tests and One-Sample t-Tests
    • Chapter 9: Paired- and Independent-Samples t-Test
    • Chapter 10: Analysis of Variance (ANOVA)
    • Chapter 11: Chi-Squared (χ2) Tests of Fit
    • Chapter 12: Correlation and Regression
  • About the Book

Chapter 5: Sampling distributions

‘Stats in the Real World’ Weblinks are provided from the book’s feature to enhance your learning and practical experience.

Web link 1: Nate Silver, an American statistician specializing in predicting government elections, describes how complex sampling becomes within real-world constraints, and how margin of error doesn’t always tell the whole story

Web link 2: Michael Li, Founder of Data Incubator, writes in Harvard Business Review about how data analysts sometimes don’t explain the uncertainty underlying their analyses, and how understanding sampling and error can help you better understand decision risk for your organization

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