Ups conducts a random check of mileage for each of its delivery vehicles and compares how many miles a truck was driven versus the number of miles calculated for the driver's route to determine if there is significant variation between the two. what step of the control process does this represent?

Which of the following best describes why you need to establish goals for your program?

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%.

During which of the following phases of the business cycle does the real gdp fall? a. trough b. expansion c. contraction d. peak