1. A stock has the following returns over the past 5 years: 18%, 37%, 10%, -12%, 22%.

The sample standard deviation is:

		15.00%
		36.00%
		18.00%
		38.07%
		16.10%
		0%

2. A stock has an average HPR of 7.5% and a standard deviation of returns of 25%. What are the two next most typical returns an investor may expect?

		0%, 7.5%
		-17.5%, 32.5%
		17.5%, 32.5%
		-42.5%, 57.5%
		7.5%, 25%

3. A sample of asset returns has 7 observations (N=7). Percent expressions are used to calculate the sum of the squared differences from the mean equal to 9,780. Dividing this number by N-1, 9,780/6 = 1,630. Based on this information, the variance of returns is:

		9,780
		1,630
		40.37
		0.163
		0.4037
		Cannot determine from the information provided