Problem 109 of 7
Compare conditional relative frequencies 70% of group A chose yes; 30% of group B chose yes to describe association.
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decide whether category distributions differ.
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Conditional frequencies must compare the same outcome across groups.
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Walkthrough
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1. Identify the same outcome measured in each group.
2. Compare the conditional percentages.
3. Large differences suggest association; similar percentages suggest little or no association.
Use the worked steps, then substitute the final answer back into the original relationship to confirm it satisfies the prompt.
Using joint frequencies alone when conditional comparison is needed.