What is Pearson correlation test, Pearson product moment correlation or Pearson r? Pearson’s correlation helps us understand the relationship between two quantitative variables when the relationship ...

Once the ranks for the two variables are found, we apply the formula for the correlation to the ranks as follows: Both Spearman’s rank and Pearson’s correlation tests share the purpose of assessing ...

When I opened SPSS for the first time a couple of years ago, my first thought was, “But this looks just like Excel?!” Cells and rows and columns. Formulas for calculations and plenty of analytical ...

In this tutorial we begin our investigation of multivariate statistics using correlation and scatterplots. The idea is that we have two continuous variables and we want to examine the strength of the ...