1.What is correlation? What are the different types of correlation? Why is it important to determine correlation?
2. How is the strength of a correlation determined?© BrainMass Inc. brainmass.com June 3, 2020, 8:15 pm ad1c9bdddf
1. What is correlation? What are the different types of correlation? Why is it important to determine correlation?
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 ...
Facts about correlation are rendered. How the strength of a correlation is determined is provided.