15. Which of the following statements is FALSE?
(A) The closer the correlation is to 0, the more the returns tend to move together as a result of
common risk.
(B) Volatility is the square root of variance.
(C) Dividing the covariance by the volatilities ensures that correlation is always between -1 and
+1.
(D) If two stocks move together, their returns will tend to be above or below average at the same
time, and the covariance will be positive.