The scatter plot shows the relationship between the weekly total sales ($) and the number of different rug designs a rug store has. based on this relationship, use the line of best fit to predict what the total sales will be when the store has 110 different rug designs.
a. $31,000
b. $38,000
c. $0
d. $35,000

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