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9 A newlywed couple is trying to choose one of two neighborhood supermarkets for their...

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9 A newlywed couple is trying to choose one of two neighborhood supermarkets for their grocery shopping They decide to randomly select 20 items check their price at each store then conduct a test to determine if one store is significantly less expensive than the other What test should they conduct A Two sample z test E Linear regression t test B Two sample t test C Matched pairs t test D x goodness of fit test

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