You are here

Why is Correlation Less Than One: A Proof - Video

A video lecture proving that the correlation is less than one. It starts with finding the variance of \(aX + bY\), then sets \(b=1\) and finds the value of \(a\) that minimizes the variance.
Identifier: 
http://www.youtube.com/watch?v=fTpTKRpMcFk&feature=plcp
Rating: 
Average: 3 (270 votes)
Creator(s): 
Anthony Cookson
Cataloger: 
Lisa Green
Publisher: 
YouTube
Rights: 
Anthony Cookson