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6524 Social & Preventive Medicine

A chi-sqaure test would be most appropriate for testing which one of the following hypotheses?

AThat the mean AIPGE score of Delhi students is greater than that of mumbai students
BThat a smaller propoion of poeple who were immunized against chicken pox subsequently develop zoster than those who were not immunized (Correct Answer)
CThat the mean blood pressure of black and white male-hypeensive patients taking ACE inhibitors is the same as that of black and white female-hypeensive patients taking ACE inhibitors and that of black and white males and females taking diuretics and placebos
DThat the mean cost of treating a patient with coronary aery disease with angioplasty isgreater than the mean cost of providing medicaltreatment