Pearson's Product Moment Correlation Coefficient (PMCC) can be easily evaluated on a Casio fx991EX ClassWiz calculator as this video demonstrates. The coefficient is given by the letter r and represents the strength of correlation of a set of observations on a scatter diagram to a straight line. The line of best fit is also displayed in this video of called the regression line for y on x.

YOUTUBE CHANNEL at    / examsolutions  

EXAMSOLUTIONS WEBSITE at https://www.examsolutions.net/ where you will have access to all playlists covering pure maths, statistics and mechanics.

  / examsolutions.net  

NEW INSTAGRAM:   / examsolutionsguy  

TWITTER:   / examsolutions  

GET A CASIO CLASSWIZ https://www.amazon.co.uk/gp/product/B...


THE BEST THANK YOU: https://www.examsolutions.net/donation/