Why does the growth of international trade lead to a rising global standard of living?
A. International trade results in a gain of comparative advantage for
developing countries.
B. International trade enables specialization, which brings increased
efficiency and greater competition.
C. International trade creates profitable investment opportunities for
currency speculators.
D. International trade leads to trade wars that require countries to
increase their productive capabilities.

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