Most software has a built-in correlation function.
The points fall randomly on the plot, which indicates that there is no relationship between the variables. Try this now on your calculator to see if you are getting your order of operations correct.įor our example, \(r = 0.8254\) is close to 1 therefore it looks like there is positive linear relationship between the number of hours studying for an exam and the grade on the exam. The following plots show data with specific Spearman correlation coefficient values to illustrate different patterns in the strength and direction of the relationships between variables.
