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hi members, i have been faced with the same question. but this was my idea. to answer this question, we should ask ourselves the following quetions. * what are the subgroups of cases? * what can you learn from calculating summary statistics seperately for subgroups of cases? * how can you graph summary statistics for subgroups? with these questions answered then you have answered the whole question. H. IKOBA

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Q: How can you determine if the values of the summary statistics for a valiable differ for subgroups of cases?
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