One Group of 20 Patients Is Given a Drug That

Multiple Choice

One group of 20 patients is given a drug that is thought to have an effect on kidney function, and another group of 20 patients is given a placebo (i.e., sugar pill, which is known not to have an effect on kidney function) .The nuclear medicine gamma camera is used to calculate the glomerular filtration rate (GFR) in these two groups of patients.What would be the proper statistical test to use to test the hypothesis that no difference in GFR exists between these two groups of patients?

A) Chi-square test
B) Paired t-test
C) Independent t-test
D) Linear regression analysis