A designed experiment is described. Identify the specified element of the experiment. In a clinical trial, 780 participants suffering from high blood pressure were randomly assigned to one of three groups. Over a one-month period, the first group received a low dosage of an experimental drug, the second group received a high dosage of the drug, and the third group received a placebo. The diastolic blood pressure of each participant was measured at the beginning and at the end of the period and the change in blood pressure was recorded. Identify the factor. A. The change in blood pressure B. The participants in the experiment C. The dosage of the drug

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
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ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
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A designed experiment is described. Identify the specified element of the experiment.
In a clinical trial, 780 participants suffering from high blood pressure were randomly assigned to one of three groups. Over a one-month period, the first group
received a low dosage of an experimental drug, the second group received a high dosage of the drug, and the third group received a placebo. The diastolic blood
pressure of each participant was measured at the beginning and at the end of the period and the change in blood pressure was recorded. Identify the factor.
A. The change in blood pressure
B. The participants in the experiment
C. The dosage of the drug
Transcribed Image Text:A designed experiment is described. Identify the specified element of the experiment. In a clinical trial, 780 participants suffering from high blood pressure were randomly assigned to one of three groups. Over a one-month period, the first group received a low dosage of an experimental drug, the second group received a high dosage of the drug, and the third group received a placebo. The diastolic blood pressure of each participant was measured at the beginning and at the end of the period and the change in blood pressure was recorded. Identify the factor. A. The change in blood pressure B. The participants in the experiment C. The dosage of the drug
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