Which of the following is NOT a correct st
问题:
Which of the following is NOT a correct statement concerning covariance()
A. It can only apply to two variables at a time.
B. A covariance of zero rules out any relationship.
C. It can be negative.
Which of the following is NOT a correct statement concerning covariance()
A. It can only apply to two variables at a time.
B. A covariance of zero rules out any relationship.
C. It can be negative.