What is a Chi-Square Test? - Definition & Example


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question 1 of 3

Which of the following types of data are required in order to run a chi-square?

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1. You are observing a psychologist run a chi-square. You see the psychologist take his number of categories and subtract 1. Which of the following is the psychologist calculating?

2. Between which of the following data does a chi-square measure the difference?

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About This Quiz & Worksheet

This quiz/worksheet combination will assess your knowledge of what a Chi-square needs, what it measures, and what you can infer from it.

Quiz & Worksheet Goals

More particularly, you will be assessed on:

  • Chi-square requirements
  • What the number of categories minus 1 is
  • What Chi-squared measures
  • What the formula requires to function
  • What psychologists can infer from these charts

Skills Practiced

  • Critical thinking - apply relevant concepts to examine information about data collection in a different light
  • Information recall - access the knowledge you've gained regarding the role of psychologists
  • Reading comprehension - ensure that you draw the most important information from the related lesson on Chi-square testing

Additional Learning

Interested in learning more about Chi-square testing? Take a look at our related lesson titled What is a Chi-Square Test? - Definition & Example. This lesson will guide you further on things like:

  • Statistically significant differences in results
  • Application of the Chi-square
  • Null hypotheses
  • Degrees of freedom