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Understanding Central Tendency

In this video I explain the strengths and limitations of the 3 measures of central tendency: the mean, the median, and the mode. This is part of a key theme of statistics, which is the importance of the choices researchers make in how to summarize and present their data. I explain how each measure of central tendency is calculated using examples, describe the use of Greek letters for parameters in comparison to the statistics used for samples, and consider practical situations in which each measure might be more or less revealing of patterns in the data.