17 Spearman Rank Correlation Coefficient

Drag the circles to reorder the rankings in Groups A & B. The correlation coefficient, \(\rho\), is displayed below.

\(\LARGE \rho = 1 - \frac{6 \Sigma{d_i^2}}{n(n^2 -1)} =\)

\(d_{i}\) = difference between the two ranks of each observation

\(n\) = number of observations