The death rate from a particular form of cancer is 23% during the first year. when treated with an experimental drug, only 15 out of 84 patients die during the initial year. is this strong evidence to claim that the new medication reduces the mortality rate?

Which popular american sandwich is made by placing a beef patty inside a bun?is an american classic prepared by placing a fried or barbequed beef patty in a bun.

In a study of a weight loss program, 40 subjects lost a mean of 3.0 lb after 12 months. does the weight loss program have practical significance? a. yes, because the weight loss program worked and the subjects lost a mean of 3.0 lb. b. no, because the mean weight loss of 3.0 lb after one year does not seem to justify the program. c. no, because the sample of 40 subjects was too small to determine if the program was useful. d. yes, because the mean weight loss of 3.0 lb after one year does seems to justify the program.

Which of these is likely to be the best source of valid health information?