Saks fifth avenue employs a quick response system to order fast-moving fashion items. saks fifth avenue's point-of-sale scanner records each day's sales. when stock falls below a minimum level, a replenishment order is automatically sent. vendors such as donna karan (dkny) receive the order, which is processed and delivered within 48 hours. this system has effectively reduced

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