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    • Chi-Square Test

    Chi-squared test indicates that there is a relationship between two entities. Handling data often involves testing hypotheses to extract useful information. In categorical analysis, chi-square tests are used to determine if observed patterns are likely to be purely random.

    The present manuscript expands upon chi-squared exam concepts, definitions, and procedures for doing them correctly.

    What Is a Chi-Square Test?

    Chi-squared test, or χ² test, indicates that there is a relationship between two entities.

    Chi-square table

    For example, it can be demonstrated when we look out for people’s favorite colors and their preference for ice cream. The test is instrumental in telling whether these two variables are associated with each other. For instance, it is possible that individuals who prefer the color blue also tend to be in favor of chocolate ice cream.

    This test checks whether or not observed data fits those that would be expected assuming that association is absent at all, where there is a huge deviation.

    When you toss a coin, you will expect to see heads or tails appearing

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