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. | 1 | The table shows the projected return of Security A. | | | |
. | | S.No | Pi | Ri(%)
| |
. | | 1 | 0.2 | 25 | |
. | | 2 | 0.4 | 75 | |
. | | 3 | 0.25 | 80 | |
. | | 4 | 0.15 | 2 | |
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. | 2 | The table shows the historical returns of security A | | | |
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. | | Year | Ri(%) |
| |
. | | 1 | 25 |
| |
. | | 2 | 75 |
| |
. | | 3 | 80 |
| |
. | | 4 | 2 |
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. | | In both the above cases calculate the Mean return and standard deviation. | |
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