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A _______________ is a classification tool that reveals the various possibilities in the comparison of variables for a chi-square.

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Answer:

A contingency table

Explanation:

Hypothesis tests carried out on contingency tables are based on the chi-square, a statistic.

The contingency table is a Frequency tables of two variables presented at the same time. These tables are constructed when we represent all the levels of a variable as rows in a table and represent the other variables as columns, after which we find the joint or cell frequency for every of the cell.

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