Statistics

Chi-Square Test

Chi-Square Test

The Chi-Square test determines if there is a significant association between two categorical variables.

Applications

  • Analyzing frequency data, such as gender versus treatment compliance.
  • Determining if observed frequencies deviate from expected frequencies.
  • Used for nominal or ordinal data sets.

Requirements

  • Data must be in the form of frequencies or counts.
  • Sample size must be sufficiently large to satisfy expected cell counts.

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