More easy Corr calculators

More easy Corr calculators - (such as Male/Female)-Use...

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More easy to use Correlation calculators Pearson’s “r” – for numerical data (like age, height or weight) -> this is the “standard” http://faculty.vassar.edu/lowry/corr_stats.html Spearman’s rho – for ranked data (like Likert scales or GPA’s) http://faculty.vassar.edu/lowry/corr_rank.html You can also use Kendall’s tau for ranked correlations http://www.wessa.net/rwasp_kendall.wasp Numerical + ranked? (Age + GPA) - Use Pearson’s r “yes/no” or “either/or”
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Unformatted text preview: (such as Male/Female)-Use Pearsons r Note: Although a professional statistician uses several types of correlation calculations, in practice writers tend to overuse Pearsons r. Really, Pearsons r should only be used with numerical data, but we can use it as our default correlation calculation because, well, everyone else does too. Just be sure to mention which type of correlation you use: Pearsons or Spearmans....
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This note was uploaded on 03/03/2011 for the course ENG 11011 taught by Professor Dr.susant.lord during the Spring '08 term at Kent State.

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