Regarding smartphone use, which of the following is false? a. u. s. consumers who view branded video content on smartphones are more likely to feel personally connected to ads than those who watch on a desktop or tv. b. shoppers use smartphones for information while shopping. c. some shoppers prefer to use smartphones for information rather than ask a store employee. d. consumers are more likely to purchase a product if they see the ad on tv instead of their smartphones. the smartphone viewing completion rate of videos was 10%.

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