11 - Median(used when outliers are present • The midpoint...

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1/24/11 Mean and Median Quantitative Mode Qualitative Mean (used most often) Best measure of central tendency First equation o X bar equals sigma (sum) X over n (participants/observations) A good first step in data analysis Look at variability in data o High variability= difficult to infer
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Unformatted text preview: Median (used when outliers are present) • The midpoint observation o Even number of observations= mean between the two middle observations Mode • The most common observation o List the frequency for which each observation occurs o Find the most common • Types of eaters...
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This note was uploaded on 12/07/2011 for the course PSYC 203 taught by Professor Worthy during the Spring '11 term at Texas A&M.

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