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Unformatted text preview: 3 Measures of central tendency Mode= most frequent occurance-(+) easy to compute-(-) can change dramatically with just a few values-(-) cant be used with inferential stats In inferential statistics-non- parametric- no assumptions necessary -distribution free -Parametric o Interval or ratio o Normality o Hogeneity (gives more statistical power) of variance- determines if some things are due to chance...
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- Fall '08