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MCS,PHD
Argosy University/ Phoniex University/
Nov-2005 - Oct-2011
Professor
Phoniex University
Oct-2001 - Nov-2016
Wildlife: Wolves A random sample of 17 wolf litters in Ontario, Canada, gave an average ofÂ
wolf pups per litter, with estimated sample standard deviation s1= 1.0. Another random sample of 6 wolf litters in Finland gave an average ofÂ
wolf pups per litter, with sample standard deviation s2 = 1.2
(a) Find an 85% confidence interval for μ1- μ2, the difference in populationmean litter size between Ontario and Finland.
(b) Interpretation Examine the confidence interval and explain what it means in the context of this problem. Does the interval consist of numbers that are all positive? all negative? of different signs? At the 85% level of confidence, does it appear that the average litter size of wolf pups in Ontario is greater than the average litter size in Finland?
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