Pearson's Correlation Coefficient

Sources

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HotMath.com, "Practice Problems." http://hotmath.com/help/ gt/genericalg2/section_2_6.html (accessed 08/27/2010).

MathBits.com, "Correlation Coefficient." http://mathbits.com/ MathBits/TISection/Statistics2/correlation.htm (accessed 08/22/2010).

Stat Istics , "Guessing Correlations ." http://istics.net/stat/Correlations/ (accessed 9/15/2010).

University of the West of England, "Pearson Correlation Coefficients." http://hsc.uwe.ac.uk/dataanalysis/quantInfAssPear.asp (accessed 08/22/2010).

Winks, "Pearson Correlation Coefficient." http://www.texasoft.com/ winkpear.html (accessed 08/22/2010).