The following table shows realized rates of return for two stocks.

	A	B	C
1	Year	Stock A	Stock B
2	1	14%	13%
3	2	-28%	-14%
4	3	-6%	-7%
5	4	5%	28%
6	5	14%	8%
7	6	11%	5%

Attempt 3/10 for 10 pts.

Part 1

What was the arithmetic average return for stock B?

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Part 2

What was the variance for stock A?

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Part 3

What was the variance for stock B?

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Part 4

What was the standard deviation for stock A?