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MCS,PHD
Argosy University/ Phoniex University/
Nov-2005 - Oct-2011
Professor
Phoniex University
Oct-2001 - Nov-2016
The data for a random sample of six paired observations are shown in the following table and saved in the LM9_35 file.

a. Calculate the difference between each pair of observations by subtracting observation 2 from observation 1. Use the differences to calculate
d and
.
b. If μ1 and μ2 are the means of populations 1 and 2, respectively, express md in terms of μ1 and μ2.
c. Form a 95% confidence interval for μd.
d. Test the null hypothesis H0: μd = 0 against the alternative hypothesis Ha: μd ≠0. Use a = .05.
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