Would this be a test of homogeneity or of independence

Reference no: EM131796987

Antibiotic or Placebo A large number of surgery patients get infections after surgery, which can sometimes be quite serious.

Researchers randomly assigned some surgery patients to receive a simple antibiotic ointment after surgery, others to receive a placebo, and others to receive just cleansing with soap.

If we wanted to test the association between treatment and whether or not patients get an infection after surgery, would this be a test of homogeneity or of independence? Explain.

(Source: Hospitals could stop infections by tackling bacteria patients bring in, studies find. New York Times, January 6, 2010.)

Reference no: EM131796987

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