Question 13.79

13.79 Daily trading volume of FedEx.

Refer to Example 13.22 (page 686) in which a prediction of logged trading volume of FedEx stock for period 150 was made.

  1. Exponentiate the log prediction value back to original units. What is the interpretation of the estimate?
  2. Refer now to Example 13.18 (pages 675676) and make a similar adjustment to the untransformed value of part (a). (Note: You will need to refer to the regression output given in Figure 13.38, page 684.) What is the interpretation of the adjusted estimate?

13.79

(a) 1,641,137.24. (b) 1,721,060.624.