A research analyst wants to compare the dispersion in the
price-earnings ratios for a group of common stock with their return
on investment. For the price-earnings ratios, the mean is 10.9 and
the standard deviation is 1.8. The mean return on investment is 25
percent and the standard deviation 5.2 percent. What is the
relative dispersion (also known as coefficient of variation) for
the price-earnings ratios and return on investment?
Group of answer choices
A) Ratios = 32.0 percent, investment =19.0 percent
B) Ratios =16.5 percent, investment = 20.8 percent
C) Ratios =132.0 percent, investment =190.0 percent
D) Ratios = 50.0 percent, investment =10.0 percent