Negative relationship

<h2 id="see-also">See also</h2>
<ul><li><a href="/facts/Diminishing_returns/YNwQIqtK">Diminishing returns</a></li></ul>

<h2 id="external-links">External links</h2>
<ul><li>Michael Palmer <a href="http://ordination.okstate.edu/STATS.htm">Testing for correlation</a> from <a href="/facts/Oklahoma_State_University%25E2%2580%2593Stillwater/g0FHuPh3">Oklahoma State University–Stillwater</a></li></ul>

<h2 id="references">References</h2>

<ol>
<li id="fn:1"><p>R. J. Rummel Understanding Correlation from University of Hawaii <a href="http://www.hawaii.edu/powerkills/UC.HTM" target="_blank">http://www.hawaii.edu/powerkills/UC.HTM</a> <a href="#fnref:1" class="footnote-back-ref">↩</a></p></li>
<li id="fn:2"><p>The derivative 
  
    
      
         
        y
        ′
        =
        
          
            
              −
              k
            
            
              x
              
                2
              
            
          
        
         
      
    
    {\displaystyle \ y\prime ={\frac {-k}{x^{2}}}\ }
  
 is negative for positive real numbers x and as well for negative real numbers. Thus the slope is everywhere negative except at the singularity x = 0. <a href="/wiki/Derivative" target="_blank">/wiki/Derivative</a> <a href="#fnref:2" class="footnote-back-ref">↩</a></p></li>
</ol>

Negative relationship open-in-new

Negative relationship