Assume that you have a sample of n1 = 8, with the sample mean 1, = 42,
Question:
a. What is the value of the pooled -variance tSTAT test statistic for testing H0: μ1 = μ27
b. In finding the critical value, how many degrees of freedom are there?
c. Using the level of significance a = 0.01, what is the critical value for a one-tail test of the hypothesis H0: μ1 > μ2 against the alternative, H1: μ1 > μ2?.
d. What is your statistical decision?
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a 22 b df n 1 1 n 2 1 7 14 21 c Decision rule df 21 If t STAT 2...View the full answer
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Related Book For 
Statistics For Managers Using Microsoft Excel
ISBN: 9780133130805
7th Edition
Authors: David M. Levine, David F. Stephan, Kathryn A. Szabat
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