469 word | 1 Page
Correlations have two properties: strength and direction. The strength of a correlation is determined by its numerical (absolute) value. The direction of the correlation is determined by sign of the correlation coefficient ‘r’, whether the correlation is positive or negative. Correlation standardizes the measure of...
Correlation and dependence, Covariance and correlation, Pearson product-moment correlation coefficient, Spearman's rank correlation coefficient