Below is annual stock return data on Hollenbeck Corp and Luzzi Edit, Inc.
Year Hollenbeck Luzzi Edit
2010 10% -3%
2011 15% 0%
2012 -10% 15%
2013 5% 10%
a. What is the average return, variance, and standard deviation for each stock?
b. What is the expected portfolio return on a portfolio comprised of
i. 25% Hollenbeck Corp and 75% Luzzi Edit?
ii. 50% Hollenbeck Corp and 50% Luzzi Edit?
iii. 75% Hollenbeck Corp and 25% Luzzi Edit?
c. Without doing any calculations, would you expect the correlation between the returns on Hollenbeck Corp and Luzzi Edit's stock to be positive, negative, or zero? Why?