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categoryإحصاء schoolبكالوريوس event_available2026-07-15

السؤال

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An epidemiologist wants to test whether presence of Diabetes Mellitus (DM) affect susceptibility to COVID infection. He tallied data from the database of a hospital and came up with the following: COVID status DM status Positive Total Negative Positive 100 50 150 Negative 10 40 50 Total 110 90 200 Is there an association between DM and susceptibility to COVID? Ho: Ha: CL = Direction = Test to be used = Computed test statistic = Critical value = Decision = Conclusion =

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