4 Tutorials that teach Chi-Square Statistic
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Chi-Square Statistic

Chi-Square Statistic

Author: Ryan Backman

This lesson will explain the chi-square statistic.

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Additional Practice Problems

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Additional Practice Problems

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Terms to Know
  • Chi-Square Statistic

    The sum of the ratios of the squared differences between the expected and observed counts to the expected counts.

  • Expected Counts

    The frequencies we would have expected within each of the categories in a qualitative distribution if the null hypothesis were true.

  • Observed Counts

    The frequencies within each of the categories in a qualitative distribution.