When deciding to collect sample information rather than collecting information from the population, the amount of time required to collect the information is unimportant.

a. true

b. false?

Stocks a, b, and c are similar in some respects: each has an expected return of 10% and a standard deviation of 25%. stocks a and b have returns that are independent of one another; i. e., their correlation coefficient, r, equals zero. stocks a and c have returns that are negatively correlated with one another; i. e., r is less than 0. portfolio ab is a portfolio with half of its money invested in stock a and half in stock b. portfolio ac is a portfolio with half of its money invested in stock a and half invested in stock c. which of the following statements is correct? a. portfolio ab has a standard deviation that is greater than 25%.b. portfolio ac has an expected return that is less than 10%.c. portfolio ac has a standard deviation that is less than 25%.d. portfolio ab has a standard deviation that is equal to 25%.e. portfolio ac has an expected return that is greater than 25%.

Which of the following statements are false regarding activity-based costing? non-manufacturing costs are important to include when calculating the cost of each product. costs are allocated based on a pre-determined overhead rate. transitioning from traditional costing methods to activity-based costing can be complicated and costly. activity-based costing follows the same basic calculation methods as traditional costing approaches. none of the above

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.