An investment produced annual rates of return of 5%, 12%, 8% and 11% respectively over the past four years.What is the (sample)standard deviation of these returns?
A)2.7%
B)3.2%
C)3.6%
D)3.8%

Question

Quizplus · Accepted Answer

The Answer of An investment produced annual rates of return of 5%, 12%, 8% and 11% respectively over the past four years.What is the (sample)standard deviation of these returns?
A)2.7%
B)3.2%
C)3.6%
D)3.8%

An Investment Produced Annual Rates of Return of 5%, 12