Question

In: Accounting

You find a certain stock that had returns of 14 percent, -27 percent, 19 percent, and...

You find a certain stock that had returns of 14 percent, -27 percent, 19 percent, and 21 percent for four of the last five years, respectively. What is the average return of the stock over this period? What is the standard deviation of the stock's returns?

Solutions

Expert Solution

Answer

1.

Average = {14 + (27) + 19 + 21} / 4

Average = 6.75%

2.

X

A = X - M

A^2

Let’s assume M = 19

            14

                                      (5)

25

           (27)

                                    (46)

2116

            19

                                      -  

0

            21

                                        2

4

Total

2145

Standard Deviation = Under root of (A^2 / n-1)

= Under root of (2145 / 4-1)

Standard Deviation = 26.74

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