Answered: In a study of whether taking a garlic…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Question

In a study of whether taking a garlic supplement reduces the risk of getting a cold, participants were assigned to either a garlic supplement group or to a group that did not take a garlic supplement.† Based on the study, it was concluded that the proportion of people taking a garlic supplement who get a cold is lower than the proportion of those not taking a garlic supplement who get a cold.

Do you think that the study was conducted in a reasonable way? What additional information would you want in order to evaluate this study? (Select all that apply.)

A) whether the patients knew which treatment they were receiving

B) whether the patients were randomly assigned to the treatments

C) whether the patient's last name started with A through M

D) whether the patient's cold lasted more than a week

E) whether the experiment was conducted on a sufficient number of patients so that the differences observed could not be attributed to chance

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