Five years of realized returns for FF are given in the following table. Remember:

While FF was started $40$ years ago, its common stock has been publicly traded for the past $25$ years.

The returns on its equity are calculated as arithmetic returns.

The historical returns for FF for $2014$ to $2018$ are:

Given the preceding data, the average realized return on FF$\text{'}$s stock is

The preceding data series represents

of FF$\text{'}$s historical returns. Based on this conclusion, the standard deviation of FF$\text{'}$s historical

returns is

If investors expect the average realized return from $2014$ to $2018$ on FF$\text{'}$s stock to continue into the future, its coefficient of variation $($CV$)$ will be