1a) Calculate the average returns and standard deviations for the NASDAQ 1000 and the two firms.

1b) Calculate the correlation coefficient between Sobin and Yorbo.

1c) Assume the 10-year risk free rate is 2.81%. Calculate the Sharpe Ratio for the S&P 500.

Yorbo 28% -54% 15% Sobin 13% 15% 14% 15% 2% 18% 42% 30% 32% 28% NASDAQ 1000 15% 7% 18% 22% 4% 10% 26% 10% Year 2 4 5 6 -28% 40% 17% -23% 4% 75% 3% 38% 9 10