Dora is in charge of the third-shift cashiers at 24-hour superstore. she has worked there for 5 years and recently found out there is an opportunity to make more money if she can move to the stock room and manage the employees there. dora goes to her boss, gary, and asks if she can be considered for the transfer and promotion. gary tells dora, "sorry, we really need someone that can lift and throw stock around, so i'm going to give it to one of our guys." what advancement barrier is dora facing?

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