In aχ2 test for homogeneity, the test statistic is 18.6732 and the critical value is 12.8325. What is the proper conclusion for the test?
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The sample provides sufficient evidence to state that the distribution of the categorical variable in question is similar for all populations considered.
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The sample does not provide sufficient evidence to state that the distribution of the categorical variable in question is similar for all populations considered.
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The sample does not provide sufficient evidence to state that the distribution of the categorical variable in question is different for at least one of the populations considered.
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The sample provides sufficient evidence to state that the distribution of the categorical variable in question is different for at least one of the populations considered.
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