k The rates of return on Cherry Jalopies, Inc., stock over the last five years were 17 percent, 11 percent, percent, 3 percent, and 14 percent. Over the same period, the returns on Straw Construction Compar stock were 16 percent, 18 percent, -6 percent, 1 percent, and 22 percent. Calculate the variances and the standard deviations for Cherry and Straw. (Do not round intermediate calculations. Enter your variance as a decimal rounded to 5 decimal places. Enter your standard deviation as a percent rounded to 2 decimal places.) Variance ces Standard deviation Cherry 0.62300 7.89% Straw 1.45200 12.05%

You've observed the following returns on Yamauchi Corporation's stock over the past five years: -25.5 percent, 14 percent, 31 percent, 2.5 percent, and 21.5 percent. a. What was the arithmetic average return on the stock over this five-year period? (Do not round intermediate calculations and enter your answer as a percent rounded to 2 decimal places, e.g., 32.16.) b. What was the variance of the returns over this period? (Do not round intermediate calculations and round your answer to 6 decimal places, e.g., 32.161616.) c. What was the standard deviation of the returns over this period? (Do not round intermediate calculations and enter your answer as a percent rounded to 2 decimal places, e.g., 32.16.) a. Arithmetic average return b. Variance С. Standard deviation

You've observed the following returns on Yamauchi Corporation's stock over the past five years: -28.5 percent, 16 percent, 35 percent, 3.5 percent, and 22.5 percent. a. What was the arithmetic average return on the stock over this five-year period? (Do not round intermediate calculations and enter your answer as a percent rounded to 2 decimal places, e.g., 32.16.) b. What was the variance of the returns over this period? (Do not round intermediate calculations and round your answer to 6 decimal places, e.g., 32.161616.) c. What was the standard deviation of the returns over this period? (Do not round intermediate calculations and enter your answer as a percent rounded to 2 decimal places, e.g., 32.16.) a. Arithmetic average return % b. Variance Standard deviation % C.

You’ve observed the following returns on Yasmin Corporation’s stock over the past five years: 15 percent, –6 percent, 18 percent, 14 percent, and 10 percent. a. What was the arithmetic average return on the company's stock over this five-year period? (Do not round intermediate calculations. Enter your answer as a percent rounded to 1 decimal place, e.g., 32.1.) Average return             % b-1 What was the variance of the company's stock returns over this period? (Do not round intermediate calculations and round your answer to 5 decimal places, e.g., 32.16161.) Variance             b-2 What was the standard deviation of the company's stock returns over this period? (Do not round intermediate calculations. Enter your answer as a percent rounded to 2 decimal places, e.g., 32.16.) Standard deviation             %

The last four years of returns for a stock are as shown here: E a. What is the average annual return? b. What is the variance of the stock's returns? c. What is the standard deviation of the stock's returns? Note: Notice that the average return and standard deviation must be entered in percentage format. The variance must be entered in decimal format. ..... Data table (Click on the icon located on the top-right corner of the data table below in order to copy its contents into a spreadsheet.) Year 1 2 3 4 Return - 4.3% + 27.9% + 12.3% + 3.6%

You’ve observed the following returns on Pine Computer’s stock over the past five years: −26.4 percent, 14.6 percent, 32.2 percent, 2.8 percent, and 21.8 percent. What was the arithmetic average return on the stock over this five-year period? Note: Do not round intermediate calculations and enter your answer as a percent rounded to 2 decimal places, e.g., 32.16. What was the variance of the returns over this period? Note: Do not round intermediate calculations and round your answer to 6 decimal places, e.g., .161616. What was the standard deviation of the returns over this period? Note: Do not round intermediate calculations and enter your answer as a percent rounded to 2 decimal places, e.g., 32.16.

Using the following annual returns, calculate the estimates of the arithmetic mean returns, the variances, and the standard deviations for assets X and Y. Also calculate the estimates of the covariance and correlation between X and Y. These five years are a sample of the entire population of returns for X and Y. Year 2001 2002 2003 2004 2005 Returns X 11% 6% -8% 28% 13% Y 36% -7% 2% -12% 43% A stock has had returns over the past six years of 29%, 14%, 23%, -18%, 9%, and -14%. What was its arithmetic mean and geometric mean returns over that period? What was the standard deviation of its returns over this six-year period?

The last four years of returns for a stock are as shown here: a. What is the average annual return? b. What is the variance of the stock's returns? c. What is the standard deviation of the stock's returns? Note: Notice that the average return and standard deviation must be entered in percentage format. The variance must be entered in decimal format. Data table (Click on the following icon in order to copy its contents into a spreadsheet.) Year 4 Return +3.51% 1 - 4.17% 2 +27.82% 3 + 11.88% X

The last four years of returns for a stock are shown here: - a. What is the average annual return? b. What is the variance of the stock's returns? c. What is the standard deviation of the stock's returns? Note: Notice that the average return and standard deviation must be entered in percentage format. The variance must be entered in decimal format. a. What is the average annual return? The average return is 10.02 %. (Round to two decimal places.) b. What is the variance of the stock's returns? The variance of the stock's returns is -0.04103. (Round to five decimal places.) Data table (Click on the following icon in order to copy its contents into a spreadsheet.) Year Return 1 -3.61% 2 +27.93% 3 +11.83% 4 +3.92% - X

The last four years of returns for a stock are shown here: a. What is the average annual return? b. What is the variance of the stock's returns? c. What is the standard deviation of the stock's returns? Note: Notice that the average return and standard deviation must be entered in percentage format. The variance must be entered in decimal format. a. What is the average annual return? The average return is ☐ %. (Round to two decimal places.) Data table (Click on the following icon in order to copy its contents into a spreadsheet.) Year Return 1 -4.12% 2 +27.56% 3 + 12.24% +4.35% Print Done - X