Measures of Central Tendency

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  Measures of entral Tendency Prepared by: Gene Delgado University of San Jose –  Recoletos  genelito_delgado@yahoo.com  What we have tackled so far…   ã Why we need Statisics in Psychology? ã Measurement and Measurement Scales ã Summarizing Data through  – Frequency Distribution  – Centiles and Percentiles  How we summarize data…   Using Frequency Distribution and graphs (histogram and polygons) BUT you can also summarize data through: Measures of Central Tendency Measures of Dispersion  Things to Remember in Summarizing Data: We LOSE data every time we do data reduction.   Error is an inescapable fact of data analysis. In summarizing data, we have to make sure that what we gain is worth the price of the data we lose (error).
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