11.4 - Lesson 11 Summary

11.4 - Lesson 11 Summary

Objectives

Upon successful completion of this lesson, you should be able to:

  • Construct a chi-square probability distribution plot in StatKey or Minitab.
  • Determine when a chi-square goodness-of-fit test and chi-square test of independence should be conducted.
  • Compute and interpret expected counts.
  • Conduct chi-square tests by hand and using Minitab.
  • Calculate and interpret relative risk.

In this lesson you added two new statistical procedures to your repertoire: the chi-square goodness-of-fit test for one categorical variable and the chi-square test of independence for two variables. In the remaining weeks we will continue to learn more procedures.


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