The $\chi$² statistic most often is used to evaluate data from ____. A) experiments B) correlational designs C) contingency tables D) observational studies

Question

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The chi-square (χ²) statistic, which is what the question seems to refer to, is most often used to evaluate data from contingency tables. These tables are used to examine the relationships between categorical variables.

The χ\chiχ 2 Statistic Most Often Is Used to Evaluate Data from Data

The $\chi$ ² Statistic Most Often Is Used to Evaluate Data from Data