EBK BUSINESS STATISTICS
EBK BUSINESS STATISTICS
7th Edition
ISBN: 8220102743984
Author: STEPHAN
Publisher: PEARSON
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In a one-tail hypothesis test where you reject H0 only in the upper tail, what is the critical value of the t-test statistic with 10 degrees of freedom at the 0.01 level of significance?
A researcher conducts a hypothesis test to evaluate the effect of a treatment that is expected to increase scores. The hypothesis test produces a z-score statistic of z= 1.23 , if the researcher is using a one-tailed test, what is the correct statistical decision?
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