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Unformatted text preview: standard deviation 7.8. For the control group, the mean was 70.3 and the standard deviation was 8.3. 1. Perform an appropriate significance test to see if beta-blockers reduce the pulse rate. Follow the Inference Toolbox. 2. Give a 99% confidence interval for the difference in mean pulse rates. Interpret the confidence interval you obtain. Chapter 11 Quiz 11.2B...
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- Spring '09