A researcher performed a t test of the null hypothesis that two means are equal. He stated
Question:
(a) Explain what is wrong with this procedure and why it is wrong.
(b) Suppose he reported t = 1.97 on 25 degrees of freedom and a P-value of 0.03. What is the proper P-value? Why?
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a t 254 b P 0032 006 If there were no apriori rea...View the full answer
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Related Book For 
Statistics For The Life Sciences
ISBN: 9780321989581
5th Edition
Authors: Myra Samuels, Jeffrey Witmer, Andrew Schaffner
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