Confidence Interval Problem
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A random sample of 17 wolf litters in Ontario, Canada gave an average of x1= 4.9 wolf pups per litter, with estimated sample standard deviation s1 - 1.0. Another random sample of 6 wolf litters in Finland gave an average of x2= 2.8 wolf pups per litter, with sample standard deviation s2 - 1.2.
a) Find an 85% confidence interval for mean 1 - mean 2 the difference in population mean litter size between Ontario and Finland.
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The expert examines confidence interval problems for standard deviation.
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A random sample of 17 wolf litters in Ontario, Canada gave an average of x1= 4.9 wolf pups per litter, with estimated ...
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