Jon was hired as a new manager and worked closely with Christine, a supervisor who had worked for the company for over a decade. For the first few weeks, Jon shadowed Christine and learned company policies and procedures through hands-on experiences. At the end of his first three months, Jon received a performance appraisal interview from Christine. He recalls feeling defeated after his evaluation because Christine gave him poor scores in most of the areas. He believes that Christine ranked him poorly because he was young and was just learning how to adjust to his new position. Identify the training method employed here, as well as Christine's performance evaluation error.

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%.