You have developed the following probability distribution for next quarter's EPS of HexChat, Inc.
Probability | EPS |
0.13 | 2.78 |
0.14 | 3.34 |
0.15 | 3.7 |
0.16 | 4.21 |
1-others | 4.95 |
What is the standard deviation of the company's EPS?
Enter answer accurate to two decimal places.
Calculation of expected EPS
Actual EPS (AE) | Probability | Expected EPS (EE) |
2.78 | 0.13 | 0.3614 |
3.34 | 0.14 | 0.4676 |
3.7 | 0.15 | 0.555 |
4.21 | 0.16 | 0.6736 |
4.95 | 0.42 | 2.079 |
TOTAL | 4.1366 |
Calculation of Standard deviation
AE | EE | AE-EE | (AE-EE)^2 | Probability | {(AE-EE)^2}*Prob. |
2.78 | 4.14 | -1.3566 | 1.8404 | 0.13 | 0.2392 |
3.34 | 4.14 | -0.7966 | 0.6346 | 0.14 | 0.0888 |
3.7 | 4.14 | -0.4366 | 0.1906 | 0.15 | 0.0286 |
4.21 | 4.14 | 0.0734 | 0.0054 | 0.16 | 0.0009 |
4.95 | 4.14 | 0.8134 | 0.6616 | 0.42 | 0.2779 |
TOTAL | 0.6354 |
standard deviation = square root of 0.6354 = 0.80
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