Question

Excel format please with formulas, thank you! Year Return of stock A 1 12% 2 5%...

Excel format please with formulas, thank you!

Year

Return of stock

A

1

12%
2 5%
3 -15%
4 9%
5 6%

what is the standard deviation of return for stock A?

0 0
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Answer #1

Ans 9.52%

YEAR RETURN (A) (A -Average Return of A)^2
1 12 73.960000
2 5 2.560000
3 -15 338.560000
4 9 31.360000
5 6 6.760000
Total 17 453.200000
Average Return = Total Return / NO of years
17 / 5
3.40
Variance = sum of (A -Average Return of A)^2 / no of years
453.20 / 5
90.64000
Standard Deviation = Square root of Variance
Square root of 90.64
9.52
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