# Why is the median useful

** Descriptive statistics**

Interpretation of data using measures of location (median, arithmetic mean, quartile, percentile)

Interpretation of data using measures of location (median, arithmetic mean, quartile, percentile)

**Median**

Arithmetic means

short:

Mean or average

The arithmetic mean is often simply called the mean or even the average.

**Geometric and harmonic mean**

**lower and upper Quartile**

**lower and upper Percentile **

**Ideas for possible, self-organized Exercises:**

- Carries out a survey or a series of measurements. You can find suggestions for all real problems on the page: "Create a survey and evaluate it."
- Calculates and determines the measures of location that are useful for you.
*You can also do calculations with the Excel tool*

**Examples of location dimensions**

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