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QUESTION
The mean cost of a flank steak, broccoli, and rice bought at the grocery store is $15. Prices from a sample of 50 restaurants for a comparable meal...
The mean cost of a flank steak, broccoli, and rice bought at the grocery store is $15. Prices from a sample of 50 restaurants for a comparable meal is shown in details. At an alpha level of .05, can we say that eating at a restaurant is cheaper?
