A company wants to test a new medicine for its effectiveness in treating ulcers. They take an srs of 500 adult ulcer patients and randomly assign them to the treatment group. After treatment, the mean pain rating is 6.8 with a standard deviation of 1.2. A second independent srs of 500 ulcer patients is taken and randomly assigned to a control group. After the placebo, the mean pain rating is 8.2 with a standard deviation of 1.6. What is the best description of the conditions

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 7PPS
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A company wants to test a new medicine for its effectiveness in treating ulcers. They
take an srs of 500 adult ulcer patients and randomly assign them to the treatment group.
After treatment, the mean pain rating is 6.8 with a standard deviation of 1.2.
A second independent srs of 500 ulcer patients is taken and randomly assigned to a
control group. After the placebo, the mean pain rating is 8.2 with a standard deviation of
1.6.
What is the best description of the conditions
Transcribed Image Text:A company wants to test a new medicine for its effectiveness in treating ulcers. They take an srs of 500 adult ulcer patients and randomly assign them to the treatment group. After treatment, the mean pain rating is 6.8 with a standard deviation of 1.2. A second independent srs of 500 ulcer patients is taken and randomly assigned to a control group. After the placebo, the mean pain rating is 8.2 with a standard deviation of 1.6. What is the best description of the conditions
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