ETX1100/ETX5900 Business Statistics

Week 4: Testing business claims

What you will learn this week

  • Translate business claims into null and alternative hypotheses.
  • Conduct one- and two-sided tests for population means and proportions.
  • Interpret p-values, decisions and conclusions in context.
  • Explain Type I and Type II errors and practical significance.

Class workbooks

Slides for the week

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Upcoming assessments

  • Week 4: Quiz 4; written assignment due at the end of Week 4
  • Week 5: Quiz 5
  • Week 6: Quiz 6