A well-known diet doctor has developed a new formula for a drug that will suppress appetites. The Food and Drug Administration (FDA) wants this doctor to submit research to show that there is a...

Extracted text: A well-known diet doctor has developed a new formula for a drug that will suppress appetites. The Food and Drug Administration (FDA) wants this doctor to submit research to show that there is a significant difference in weight loss for patients using the new drug versus the old drug. Which of the following would be the best method to obtain results the FDA is requesting? The doctor assigns the new drug to patients who have more than 10 pounds to lose and the old drug to patients with less than 10 pounds to lose The doctor should randomly assign patients to two groups: one group takes the new drug and the other group takes the old drug. The doctor should randomly choose patients and allow them to select which drug they want to use. The doctor should randomly choose patients to take the new drug and ask patients using the old drug how much weight they have lost. 57 A data set has numbers: 3, 5, 5, 6, 4, 3, 1, and 7. Which is the interquartile range? * 3.0 2.0 2.5