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when several groups of subjects are being compared with regard to some observed frequencies, the appropriate chi square analysis would be

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User Icabod
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The appropriate chi-square analysis would be the chi-square test for independence or the chi-square test of association. This test is used to determine whether there is a significant association between two categorical variables. It compares the observed frequencies in each group with the expected frequencies, assuming that there is no association between the variables. If the observed frequencies differ significantly from the expected frequencies, then it can be concluded that there is an association between the variables.
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User Ivan Vnucec
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