Statistical correlation (revealed by some statsistical test) is one thing. The common meaning of correlation is close relationship embedding some causation in

Statistical correlation (revealed by some statsistical test) is one thing. The common meaning of correlation is close relationship embedding some causation in it (A implied B or B implied A or the same thing is the root for A and B). You can find that two series have high correlation (statistically), whereas this happens just by chance. OK.