In 2016 through 2018, the value of precious metals fluctuated greatly. The data (stored in Metals) represent the total rate of return (in percentage) for platinum, gold, and silver from 2016 through 2018:
a. Compute the geometric mean rate of return per year for platinum, gold, and silver from 2016 through 2018.
b. What conclusions can you reach concerning the geometric mean rates of return of the three precious metals?
c. Compare the results of (b) to those of Problem 3.21 (b).

Problem 3.21 (b)

b. What conclusions can you reach concerning the geometric mean rates of return per year of the three market indices?