Assistant needed in understanding how to use a HP 10bII+ calculator to answer the following question.

Use the information shown in the following table to calculate the statistics below.

Year Portfolio Return Market Return

1 12% 9%

2 9% 8%

3 22% 19%

4 -4% -1%

5 5% 5%

6 25% 19%

7 15% 15%

8 -6% -4%

9 11% 9%

a. Geometric average of portfolio and market

b. Arithmetic average of portfolio and market

c. Standard deviation of portfolio and market