For each of the following situations, suppose H0: 1 = 2 is being tested against HA: 1

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For each of the following situations, suppose H0: µ1 = µ2 is being tested against HA: µ1 < µ2. State whether or not there is significant evidence for HA.
(a) ts = - 1.6 with 23 degrees of freedom, α = 0.05.
(b) ts = - 2.3 with 5 degrees of freedom, α = 0.10.
(e) ts = 0.4 with 16 degrees of freedom, α = 0.10.
(d) ts = - 2.8 with 27 degrees of freedom, α = 0.01.
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Statistics For The Life Sciences

ISBN: 9780321989581

5th Edition

Authors: Myra Samuels, Jeffrey Witmer, Andrew Schaffner

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