Hi

                    Male	Female	Total

Income over $75,000	585	485	1,070

Income below $75,000	65	65	130

           Total	650	550	1200

Based on these data, are "being female" and "earning over $75,000" independent events?

 485/1070 = .45 ,  585/1070 = .55

NOT independent events, appears gender effects earning power > $75,000 

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