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# Measures of Central Tendency

There exist two broad categories of descriptive statistics that are commonly used. The first, measures of central tendency, describes the center point of our data set with a single value. It’s a valuable tool to help us summarize many pieces of data with one number. The second category, measures of dispersion, is the topic of Chapter 5. But let’s explore the many ways to measure the central tendency of our data.
def•i•ni•tion
Measures of central tendency describe the center point of a data set with a single value. Measures of dispersion describe how far individual data values have strayed from the mean.

## Mean

The most common measure of central tendency is the mean or average, which we calculate by adding ...

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