The chi-square test is a test to determine whether the difference
between two proportions is greater than would be expected because of sampling
error.

Question

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The chi-square test is a statistical test used to determine whether there is a significant difference between observed frequencies and expected frequencies in a contingency table. It is commonly used to analyze categorical data and test for independence or association between two variables. It is not specifically used to compare proportions.

The Chi-Square Test Is a Test to Determine Whether the Difference