This is the equation for the Rank Correlation Coefficient:(adsbygoogle = window.adsbygoogle || []).push({});

[tex]

1- \frac {6 \sum d^2} {n(n^2-1)}

[/tex]

can anyone explain the 6?

why a six? i don't see the link.

**Physics Forums | Science Articles, Homework Help, Discussion**

Join Physics Forums Today!

The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

# Spearman's Rank Correlation Coefficient

**Physics Forums | Science Articles, Homework Help, Discussion**