Wildlife: Wolves A random sample of 17 wolf litters in
Chapter , Problem 16(choose chapter or problem)
Wildlife: Wolves A random sample of 17 wolf litters in Ontario, Canada, gave an average of \(\overline{x}_1 = 4.9\) wolf pups per litter, with estimated sample standard deviation \(s_1 = 1.0\). Another random sample of 6 wolf litters in Finland gave an average of \(\overline{x}_2 = 2.8\) wolf pups per litter, with sample standard deviation \(s_2 = 1.2\) (see source for Problem 15).
(a) Find an 85% confidence interval for \(\mu_1 - \mu_2\), the difference in population mean 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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