Problem 5
Intro
The following table shows rates of return for two stocks.
A | B | C | |
1 | Year | Stock A | Stock B |
2 | 1 | 14% | 13% |
3 | 2 | -10% | -14% |
4 | 3 | -6% | -4% |
5 | 4 | 5% | 28% |
6 | 5 | 14% | 8% |
7 | 6 | 5% | 7% |
Attempt 1/3 for 10 pts.
Part 1
What is the arithmetic average return for stock B?
Submit
Attempt 1/3 for 10 pts.
Part 2
What is the covariance of returns? (Use =COVARINACE.S function in Excel)
Submit
Year | B |
1 | 14.00% |
2 | -10.00% |
3 | -6.00% |
4 | 5.00% |
5 | 14.00% |
6 | 5.00% |
Average= | 3.67% |
Where | ||||
Average or Mean = Sum of all observations/Count of all observations |
Year | B | C | A = B observation - B average | A = C observation - C average | A*B |
1 | 14.00% | 13.00% | 10.33% | -1.00% | -0.10% |
2 | -10.00% | -14.00% | -13.67% | -28.00% | 3.83% |
3 | -6.00% | -4.00% | -9.67% | -18.00% | 1.74% |
4 | 5.00% | 28.00% | 1.33% | 14.00% | 0.19% |
5 | 14.00% | 8.00% | 10.33% | -6.00% | -0.62% |
6 | 5.00% | 7.00% | 1.33% | -7.00% | -0.09% |
Average= | 3.67% | 6.33% | Covariance= | Sum of all A*Bs = | 4.94% |
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