An experiment was designed to compare the lengths of time that four different drugs provide pain relief

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An experiment was designed to compare the lengths of time that four different drugs provide pain relief after surgery.The results (in hours) follow.

Is there enough evidence to reject the null hypothesis that there is no significant difference in the lengths of pain relief provided by the four drugs at a = 0.05?
a. Solve using the p-value approach.
b. Solve using the classical approach.

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Elementary Statistics

ISBN: 9780538733502

11th Edition

Authors: Robert R. Johnson, Patricia J. Kuby

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Question Posted: Aug 28, 2015 03:58 AM

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An experiment was designed to compare the lengths of time that four different drugs provide pain relief

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8 4 D442 C-800 9 8664 A-864

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Step 1 a The mean lengths of time that pain relief is provided the mean length of time for drug A th...View the full answer

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