coefficient

tehya411:

what is the pearson r formula

Pearson's r is a measure of the degree of correlation between two data sets (X and Y, say). It is a number between +1 (complete, positive correlation) and -1 (complete negative correlation). The formula is:

pearson.PNG

Go to http://en.wikipedia.org/wiki/Pearson_product-moment_correlation_coefficient to learn more.

Alan:

tehya411:

what is the pearson r formula

Pearson's r is a measure of the degree of correlation between two data sets (X and Y, say). It is a number between +1 (complete, positive correlation) and -1 (complete negative correlation). The formula is:

pearson.PNG

alan please help me