Hi, If I have two different surveys from which I calculate values of P1 and P2, would Cov[P1, P2]=0? The two surveys were performed in different years and have different sample sizes.
Thank you, K . . ================================================================= Instructions for joining and leaving this list, remarks about the problem of INAPPROPRIATE MESSAGES, and archives are available at: . http://jse.stat.ncsu.edu/ . =================================================================
