Answer:
hello some details/parts of your question are missing attached below is the missing part
answer : A ) = 24.13%
B ) = 0.1084, The preceding data series represents a SAMPLE
C ) = 0.4494
Step-by-step explanation:
A) The average realized return on FF stock can be calculated as
= 24% + 16.15% + 29% +39.9% + 12.35% / 5
= 24.13%
B) The preceding data series represents a SAMPLE standard deviation BECAUSE RETURNS WERE MADE ONLY FOR FIVE YEARS
and the sample standard deviation is calculated as

= 0.01175056
s =
= 0.1084
C) coefficient of variation
coefficient of variation = standard deviation / mean
= 0.1084 / 0.2413 = 0.4494