STAT 250 Midterm: STAT 250 Exam 1 Solutions
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The drug finasteride is marketed as propecia to help protect against male pattern baldness, and it also may protect against prostate cancer. A large sample1 of healthy men over age. 55 were randomly assigned to receive either a daily finasteride pill or a placebo. The study lasted seven years and the men had annual check-ups and a biopsy at the end of the study. Prostate cancer was found in 804 of 4368 men taking finasteride and in 1145 of the 4692 men taking a placebo: study design and descriptive statistics (a) (1 point) how would this data best be visualized? (cid:13) histogram. It was a randomized experiment that used a placebo and (c) (2 points) make a two-way table to display the results. Solution: here is a two-way table for treatment groups and cancer diagnosis. 1949 (d) (2 points) if this data were represented as a dataset with cases as rows and variables as columns, it would have.
