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 ...

Despite the chant that correlation is not causation, some researchers believe the design of scatter plots nudges us to the wrong conclusions. Can a change in their design lessen that risk? Analyzing ...

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 ...

Only 80% prediction confidence ellipses can be selected in the multivariate output options dialog. You must use the Curves menu to display mean confidence ellipses. You can use the confidence ...