How is the strength of a correlation determined?© BrainMass Inc. brainmass.com June 3, 2020, 8:25 pm ad1c9bdddf
Correlation is a measure of association between two variables. The variables are not designated as dependent or independent. The two most popular correlation coefficients are: Spearman's correlation coefficient and Pearson's product-moment correlation coefficient.
When calculating a correlation coefficient for ordinal data, select Spearman's technique. For interval or ratio-type data, use Pearson's technique.
The value of a correlation coefficient can vary from minus one to plus one. A minus one indicates a perfect negative correlation, while a ...
How is the strength of a correlation determined?