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Title: The Department of Transportation would like to test the hypothesis that the standard deviation for ... Post by: Maddieskye on Dec 30, 2021 The Department of Transportation would like to test the hypothesis that the standard deviation for the age of cars on the road is less than 4.0 years. A sample of 21 cars was randomly selected and their ages were recorded. The standard deviation for the age of these cars was found to be 2.7 years. Test this hypothesis using α = 0.05.
Title: The Department of Transportation would like to test the hypothesis that the standard deviation for ... Post by: lipop on Dec 30, 2021 Content hidden
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