Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Spearman’s rank correlation: 0.8 < |Rs| < 1 extremely strong correlation, 0.6 < |Rs| < 0.8 strong correlation, 0.4 < |Rs| < 0.6 medium correlation, 0.2 < |Rs| < 0.4 weak correlation, 0 < |Rs| < 0.2 no correlation.
