Question
Which is cheaper: eating out or dining in? The mean cost of a flank steak, broccoli, and rice bought at the grocery store is $13.07.
Which is cheaper: eating out or dining in? The mean cost of a flank steak, broccoli, and rice bought at the grocery store is $13.07. A sample of100 neighborhoodrestaurants showed a mean price of $12.77and a standard deviation of $2 for a comparable restaurant meal.
(a)Develop appropriate hypotheses (in dollars) for a test to determine whether the sample data support the conclusion that the mean cost of a restaurant meal is less than fixing a comparable meal at home.
H0:
Ha:
(b)Using the sample from the 100 restaurants, what is the test statistic?
(c) Using the sample from the 100 restaurants, what is thep-value? (Round your answer to four decimal places.)
p-value =
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