22.1 Correlation Coefficient
Before starting to calculate the correlation coefficient, it is highly recommended to construct a scatterplot of the data to identify possible outliers, nonlinear relationships (correlation coefficient only measures linear relationships), etc.
Graph > Scatterplot: Simple
To calculate the correlation coefficient, do the following.
Stat > Basic Statistics > Correlation
In this way, the output in the session window looks as follows:
You can also select more than two variables, in which case pairwise correlation coefficients are calculated. ...