In deciding where to invest her retirement fund, an investor recorded the weekly returns of two portfolios for 61 weeks. The standard deviation of portfolio 1 was 0.16 and 0.30 for portfolio 2. On the basis of this evidence, can she conclude that the two portfolios differ in term of risk?

mcdonald's fast-food restaurants have a well-designed training program for all new employees. each new employee is supposed to learn how to perform standardized tasks required to maintain mcdonald's service quality. due to labor shortages in some areas, new employees begin work as soon as they are hired and do not receive any off-the-job training. this nonconformity to standards creates control loss.

answer; signaling;