7. An cxperiment is conducted to see if a new drug can loWer Forty volunteers with high blood pressure will be randomly placed into two groups. One group voluntecrs will be given the new drug and the other group will meet five days a weck at a gym to cxercise. After six weeks, the change in blood pressure will be measured. What is the purpose of random assignment in the context of this experiment? So that if two of the voluntccrs know cach other, they will be split into different of a. groups. b. So that cach group will have exactly twenty volunteers. C. So that both groups of volunteers are roughly cquivalent at the beginning of the experiment. d. So that if there are many volunteers that enjoy exercising, they will be all be placed into the same group.

7. An cxperiment is conducted to see if a new drug can loWer Forty volunteers with high blood pressure will be randomly placed into two groups. One group voluntecrs will be given the new drug and the other group will meet five days a weck at a gym to cxercise. After six weeks, the change in blood pressure will be measured. What is the purpose of random assignment in the context of this experiment? So that if two of the voluntccrs know cach other, they will be split into different of a. groups. b. So that cach group will have exactly twenty volunteers. C. So that both groups of volunteers are roughly cquivalent at the beginning of the experiment. d. So that if there are many volunteers that enjoy exercising, they will be all be placed into the same group.

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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