Correlation (r)
Also written: correlation, r, corr, correlation coefficient
A number from −1 to 1 measuring how closely two variables follow a straight line. Ad spend and orders have r = 0.715, but r alone doesn't say how many orders $100 buys.
Also written: correlation, r, corr, correlation coefficient
A number from −1 to 1 measuring how closely two variables follow a straight line. Ad spend and orders have r = 0.715, but r alone doesn't say how many orders $100 buys.