SparklingLeaves is one of the major suppliers of automobile tools to StanMotors, a leading automobile company. Many of the tools are customized to meet the specific needs of StanMotors and hence have little other value. In return, StanMotors has agreed to make SparklingLeaves its sole supplier of automobile equipment for a period of 15 years. This illustrates:

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