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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:
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 (rs,ρ, or rρ) for any two sets of data: