Which of the following questions must be asked about the use of resources in an economic system? a. what is the most secure allocation? b. what is the fairest allocation? c. what is the most effective allocation? d. what allocation will provide the fastest growth?

Which statement below best describes george waring's approach to solving the problems of water-borne illness? a. waring is going with his "gut," because he believes that instincts and emotions are the best guides for action. b. waring efficiently and thoroughly lays out the case for why the problems are too large and overwhelming to be solved: people should just move out of cities back to their farms. c. waring has gathered the testimonies of people who live in densely populated areas in order to learn how they themselves have solved their problems. d. waring exhibits the industrial age's increased respect for and reliance on science and the scientific method.

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

If the ceo of a large, diversified, firm were filling out a fitness report on a division manager (i. e., "grading" the manager), which of the following situations would be likely to cause the manager to receive a better grade? in all cases, assume that other things are held constant. a. the division's basic earning power ratio is above the average of other firms in its industry. b. the division's total assets turnover ratio is below the average for other firms in its industry. c. the division's debt ratio is above the average for other firms in the industry. d. the division's inventory turnover is 6, whereas the average for its competitors is 8.e. the division's dso (days' sales outstanding) is 40, whereas the average for its competitors is 30.