A pharmaceutical company wants to test a new drug that is designed to provide superior relief from

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A pharmaceutical company wants to test a new drug that is designed to provide superior relief from headaches. They want to select a sample of headache sufferers to try the drug.

Do you think that it is feasible to draw a simple random sample of headache sufferers, or will it be necessary to use a sample of convenience? Explain your reasoning.

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Elementary Statistics

ISBN: 9781259969454

3rd Edition

Authors: William Navidi, Barry Monk

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