Amacroeconomist is interested ina. explaining price changes in a particular market. b. explaining how changes in sellers' behavior affect prices of a particular good. c. explaining why the unemployment rate is higher. d. all of the above are correct.

Which of the following is not a characteristic of a weak economy? a. a low employment rateb. a high inflation ratec. a decreased gdpd. a high unemployment rate

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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