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MCS,PHD
Argosy University/ Phoniex University/
Nov-2005 - Oct-2011
Professor
Phoniex University
Oct-2001 - Nov-2016
The following result are for two independent random samples taken from two populations.

a. What is the point estimate of the difference between the two population means?
b. What is the degrees of freedom for the I distribution?
c. At 95% confidence, what is the margin of error?
d. What is the 95% confidence interval for the difference between the two population means?
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