Question
1.A researcher fails to find a significant different in mean blood pressure in 36 matched pairs. The standard deviation of the difference was 5 mmHg.
1.A researcher fails to find a significant different in mean blood pressure in 36 matched pairs. The standard deviation of the difference was 5 mmHg. What was the power of the test to find a mean difference of 2.5 mmHg at = 0.05 (two-sided)?
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Introduction to graph theory
Authors: Douglas B. West
2nd edition
131437372, 978-0131437371
