Using Two-Way Tables to Evaluate Independence


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Why is the act of flipping a coin an example of independent probability?

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1. Which of the following statements BEST explains how to determine whether two variables are independent?

2. When we look at a two-way table, how are the values of joint relative frequency different from the values of marginal relative frequency?

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About This Quiz & Worksheet

This quiz and worksheet will assess what you know about evaluating independence with two-way tables. You'll need to be able to identify the term used to describe when the probability of an event is unaffected by a previous one and recognize what makes two variables independent.

Quiz & Worksheet Goals

You will need to know how to:

  • Name a table which lists two categorical variables with values that have been paired
  • Recognize the difference between independent and conditional probabilities
  • Use a table to come to a conclusion

Skills Practiced

Study the following practice skills:

  • Critical thinking - apply relevant concepts to examine information about the probability of an event in a different light
  • Distinguishing differences - compare and contrast topics from the lesson, such as independent and conditional probabilities
  • Knowledge application - use your knowledge to answer questions about evaluating independence with two-way tables

Additional Learning

Find out more about independence with two-way tables via the lesson called Using Two-Way Tables to Evaluate Independence: Lesson & Quiz. This instruction will help you to understand how to do the following:

  • Define probability
  • Recognize joint relative frequency
  • Identify marginal relative frequency
  • Determine what conditional relative frequency is