Use critical values to test the null hypothesis H0: 1 - 2 = 20 versus the alternative

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Use critical values to test the null hypothesis H0: µ1 - µ2 = 20 versus the alternative hypothesis Ha: µ1 - µ2 ≠ 20 by setting a equal to .101 .051 .011 and .001. How much evidence is there that the difference between µ1 and µ2 is not equal to 20?
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Business Statistics In Practice

ISBN: 9780073401836

6th Edition

Authors: Bruce Bowerman, Richard O'Connell

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