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Home Q & A Board Science-Related Homework Help Mathematics Statistics and Probability
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DarciXero DarciXero
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2 years ago
AutoTrader.com would like to test if a difference exists in the age of three different types of vehicles currently on the road--trucks, cars, and vans. The following data represent the age of a random sample of trucks, cars, and vans.



The grand mean for these observations is ________.

▸ 7.2

▸ 8.0

▸ 8.9

▸ 9.3
Textbook 
Business Statistics

Business Statistics


Edition: 2nd
Author:
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decibuldecibul
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2 years ago
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DarciXero Author
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2 years ago
I appreciate what you did here, answered it right Smiling Face with Open Mouth
SupremeDJ
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Yesterday
Thank you, thank you, thank you!
paulinaibarra98
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2 hours ago
Smart ... Thanks!
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