RSM 550 - Introduction to Research Methodology: Testing for Relationships/Correlations Calculators

Use this calculator from Easycalculation.com to determine the correlation coefficient (the Pearson r) and coefficient of determination (r²) for any two sets of data:

https://www.easycalculation.com/statistics/r-squared.php

Use this calculator from VassarStats--a supremely, useful website for statistical computation created by Professor Emeritus of Psychology at Vassar College Richard Lowry--to determine the Spearman rank correlation coefficient (r_s, ρ, or r_ρ) for any two sets of data:

http://vassarstats.net/corr_rank.html

The data can be ranked or unranked.

Use this graphing calculator from Easycalculation.com to generate a scattergram for any two sets of data:

https://www.easycalculation.com/graphs/scatter-plot.php