Margot works for an advertising firm and needs to understand how an individual's levels of experience with cooking (novice, intermediate, or expert) affect how he or she will rate a new group of cookware advertisements. What type of design would be best for Margot to use?

True or false: a fitted model with more predictors will necessarily have a lower training set error than a model with fewer predictors.

On coral island in 2012, the labor force is 12,000, the unemployment rate is 10 percent, and the labor force participation rate is 60 percent. during 2013, 200 unemployed people found jobs and the working-age population increased by 1,000. the total number of people in the labor force did not change. the working-age population at the end of 2013 was the unemployment rate at the end of 2013 was round up to the second decimal. the labor force participation rate at the end of 2013 was round up to the second decimal.

On january 2, well co. purchased 10% of rea, inc.’s outstanding common shares for $400,000, which equaled the carrying amount and the fair value of the interest purchased in rea’s net assets. well did not elect the fair value option. because well is the largest single shareholder in rea, and well’s officers are a majority on rea’s board of directors, well exercises significant influence over rea. rea reported net income of $500,000 for the year and paid dividends of $150,000. in its december 31 balance sheet, what amount should well report as investment in rea?