Suppose that a team of doctors is planning a study to test the effects of pain-relieving medication and prophylactics on migraines. The two dosages of pain-relieving medication are 500 mg and 0 mg (placebo). The two dosages of prophylactics are 20 mg and 0 mg (placebo). A random sample of 120 adults who suffer from frequent migraines were selected at random, and 30 were assigned to each of the four combinations of pain-relieving medication and prophylactics. Which of the following statements about this experiment are true? The treatments are pain-relieving medication and prophylactics. The factors are pain-relieving medication and prophylactics. The factors are the four combinations of the two dosages of pain-relieving medication and the two dosages of prophylactics. The subjects of the experiment are the 120 adults who suffer from frequent migraines. The treatments are the four combinations of the two dosages of pain-relieving medication and the two dosages of prophylactics. The subjects of the experiment are the different means of treating migraines.
Suppose that a team of doctors is planning a study to test the effects of pain-relieving medication and prophylactics on migraines. The two dosages of pain-relieving medication are 500 mg and 0 mg (placebo). The two dosages of prophylactics are 20 mg and 0 mg (placebo). A random sample of 120 adults who suffer from frequent migraines were selected at random, and 30 were assigned to each of the four combinations of pain-relieving medication and prophylactics. Which of the following statements about this experiment are true? The treatments are pain-relieving medication and prophylactics. The factors are pain-relieving medication and prophylactics. The factors are the four combinations of the two dosages of pain-relieving medication and the two dosages of prophylactics. The subjects of the experiment are the 120 adults who suffer from frequent migraines. The treatments are the four combinations of the two dosages of pain-relieving medication and the two dosages of prophylactics. The subjects of the experiment are the different means of treating migraines.
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section: Chapter Questions
Problem 8CR
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