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Home Q & A Board Science-Related Homework Help Mathematics Statistics and Probability
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Maddieskye Maddieskye
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2 years ago
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.
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Business Statistics

Business Statistics


Edition: 2nd
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lipoplipop
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Maddieskye Author
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2 years ago
Correct Slight Smile TY
vanna2014
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Yesterday
Good timing, thanks!
djeghri
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2 hours ago
Just got PERFECT on my quiz
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