Which of the Following Will Be Needed to Compute the Beta

Multiple Choice

Which of the following will be needed to compute the beta of an individual security?
I. Average return on the market for the period
II. Standard deviation of the security and the market
III. Return on the security and the market by time period for a specified period of time
IV. Correlation of the security to the market

A) I and III
B) I and IV
C) II and III
D) II, III and IV
E) I, II, III and IV