Multiple choice six-sigma green-belt

Chi Square test is used to test the

  1. Differences in Averages

  2. Differences in Variation

  3. Differences in Proportions

  4. Differences in distribution shape of values
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C Correct answer
Explanation

The Chi Square test is a statistical test used to determine whether there is a significant difference between observed and expected frequencies in categorical data. It tests for independence or goodness of fit, primarily examining differences in proportions. Tests for averages use t-tests, and F-tests compare variances.

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