This equation should be used with caution to predict costs. the r-square statistic can range from a high of 0.75 to a low of 0.25 . in this case, the r-square indicates that the cost equation , indicating there is a fairly strong is a weak may or may not be a relationship between the potential cost driver and the advertising agency's operating costs.

Sara bought 12 3/4 cakes sara's friends ate 3/8 how much cake is left

Joe said “your speech was really great, i loved it.” his criticism lacks which component of effective feedback? a) he did not recognize his ethical obligations b) he did not focus on behavior c) he did not stress the positive d) he did not offer any specifics

Stock a has a beta of 1.2 and a standard deviation of 20%. stock b has a beta of 0.8 and a standard deviation of 25%. portfolio p has $200,000 consisting of $100,000 invested in stock a and $100,000 in stock b. which of the following statements is correct? (assume that the stocks are in equilibrium.) (a) stock b has a higher required rate of return than stock a. (b) portfolio p has a standard deviation of 22.5%. (c) portfolio p has a beta equal to 1.0. (d) more information is needed to determine the portfolio's beta. (e) stock a's returns are less highly correlated with the returns on most other stocks than are b's returns.