The efficient frontier of risky assets is A. the portion of the minimum-variance portfolio that lies above the global minimum variance portfolio. B. the portion of the minimum-variance portfolio that represents the highest standard deviations. C. the portion of the minimum-variance portfolio that includes the portfolios with the lowest standard deviation. D. the set of portfolios that have zero standard deviation.

Alarge university wanted to study the relationship between completing an internship during college and students' future earning potential. prom the same graduating class, they selected a random sample of 80 students who completed an internship and 100 students who did not complete an internship and examined their salaries five years after graduation. they found that there was a statistically higher mean salary for the internship group than for the noninternship group. which of the following interpretations is the most appropriate? a. there could be a confounding variable, such as student major, that explains the difference in mean salary between the internship and no internship groups. b. we cannot infer anything from these data since the distribution of salaries is likely right skewed. c. you cannot draw any valid conclusions because the sample sizes are different. d. more students should complete internships because having an internship produces a higher salary.

Inventory by three methods; cost of goods sold the units of an item available for sale during the year were as follows: jan. 1 inventory 20 units at $1,800 may 15 purchase 31 units at $1,950 aug. 7 purchase 13 units at $2,040 nov. 20 purchase 16 units at $2,100 there are 18 units of the item in the physical inventory at december 31. determine the cost of ending inventory and the cost of goods sold by three methods, presenting your answers in the following form: round your final answers to the nearest dollar. cost inventory method ending inventory cost of goods sold a. first-in, first-out method $ $ b. last-in, first-out method $ $ c. weighted average cost method $ $

Gif the federal reserve did not regulate fiscal policy, monitor banks and provide services for banks, what would most likely be the economic conditions to transact business in the u. s.? the economy would primarily be based on a barter system rather than a fiat system. there would be no discrimination in lending by local banks. the economy would be less efficient and transactions most likely more costly.