please show work 2) Ahinga Amalgamated has yielded returns of 9 percent, 22 percent, 15 percent,...

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Question

2) Ahinga Amalgamated has yielded returns of 9 percent, 22 percent, 15 percent, and -10 percent over the past four years, res

please show work

Answer 1

Answer #1

Ans 13.74%

YEAR	RETURN	(X -Average Return of X)^2
1	9	0.000000
2	22	169.000000
3	15	36.000000
4	-10	361.000000
Total	36	566.000000


Average Return =	Total Return / NO of years
	36 / 4
	9.00

Variance =	sum of (X -Average Return of X)^2 / (no of years - 1)
	566 / ( 4 - 1)
	188.6666667

Standard Deviation =	Square root of Variance
	Square root of 188.66666667
	13.74

Answer 2

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