0:00 Introduction | 1:09 Definition | 2:48 Covariance and Correlation from a sample | 9:55 Covariance and Correlation from a probability distribution (using EXCEL) | 18:47 Why do we divide by n-1 for a sample?

Descriptive Statistics playlist here:
   • Descriptive Statistics: The Mean  

See all my videos here:
http://www.zstatistics.com/videos

Degrees of freedom video here:
   • What are degrees of freedom?!? Seriou...  

Music by Purdy
Song: 3 Friends to The Stars
https://purdy.bandcamp.com/track/3-fr...