Caroline has several options for how to spend her Saturday night, listed in order of descending preference: 1. Go to a folk music concert with a friend. 2. Get dinner with several of her sorority sisters. 3. Go shopping with her mom. Caroline can only do one activity. Match each activity (on the left) with its opportunity cost (on the right).

Which is cheaper: eating out or dining in? the mean cost of a flank steak, broccoli, and rice bought at the grocery store is $13.04 (money. msn website, november 7, 2012). a sample of 100 neighborhood restaurants showed a mean price of $12.75 and a standard deviation of $2 for a comparable restaurant meal. a. develop appropriate hypotheses 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. b. using the sample from the 100 restaurants, what is the p-value? c. at a = .05, what is your conclusion? d. repeat the preceding hypothesis test using the critical value approach