In Example 4.12 in your textbook, it describes the Physician's Health Study that concluded those taking aspirin
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Question:
- In Example 4.12 in your textbook, it describes the Physician's Health Study that concluded those taking aspirin had a significantly lower chance of suffering a heart attack than those who took a placebo.
- 1. What other variables could have influenced this finding?
- 2. Would an in-depth study of the subject's current health status make a difference in deciding whether or not one could conclude that aspirin alone could be effective in preventing heart attacks?
- 3. Or can we believe the results of this study at face value?
Related Book For
Statistics The Art and Science of Learning from Data
ISBN: 978-0321755940
3rd edition
Authors: Alan Agresti, Christine A. Franklin
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