You hold a portfolio of securities which have had the following annual returns: {4%, 18%, -22%, 0%, 26%, 10%}. What is the arithmetic mean of the returns?

• 4%

• 6%

• 7%

• 8%

You hold a portfolio of securities which have had the following annual returns: {4%, 18%, -22%, 0%, 26%, 10%}. What is the geometric mean of the returns?

• 5.01%

• 4.39%

• 3.17%

• 4.65%

You hold a portfolio of securities which have had the following annual returns: {4%, 18%, -22%, 0%, 26%, 10%}. What is the sample variance of the returns?

Multiple Choice

• 276.8

• 195.2

• 248.3

• 325.6

Multiple Choice

You hold a portfolio of securities which have had the following annual returns: {4%, 18%, -22%, 0%, 26%, 10%}. What is the sample standard deviation of the returns?

Multiple Choice

• 16.64%

• 19.54%

• 12.87%

• 17.36%

For any portfolio of securities where returns are normally distributed, what is the probability that the return in any given year will be either greater than 3 standard deviations above the mean or less than 3 standard deviations below the mean?

Multiple Choice

• 0.32%

• 0.26%

• 0.86%

• 0.68%