Marvel parts, inc., manufactures auto accessories. one of the company’s products is a set of seat covers that can be adjusted to fit nearly any small car. the company has a standard cost system in use for all of its products. according to the standards that have been set for the seat covers, the factory should work 1,230 hours each month to produce 2,050 sets of covers. the standard costs associated with this level of production are

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