Following are actual price and dividend data for three companies for each of seven months.

A. Compute the rate of return for each company for each month.
B. Compute the average rate of return for each company.
C. Compute the standard deviation of the rate of return for each company.
D. Compute the correlation coefficient between all possible pairs of securities.
E. Compute the average return and standard deviation for the following portfolios:
1/2A + 1/2B
1/2A + 1/2C
1/2B + 1/2C
1/3A + 1/3B + 1/3C

Transcribed Image Text:

Security A Security B Security C Time Dividend Dividend Dividend 1062 0.725" 1.35 0.40 122 0.725 1.35 0.42