The **Summary** option in the **Explore** tab provides us with some descriptive statistics such as **Summary**, **Describe**, **Basics**, **Kurtosis**, and **Skewness** reports. Descriptive statistics covers methods to summarize data. The **Summary** option also provides a very useful **Show Missing** report:

Rattle provides us with these summary reports:

**Summary**

**Describe**

**Basics**

**Kurtosis**

**Skewness**

These reports summarize variable distributions and help to give an initial understanding of our data. In order to understand these reports, you only need a basic understanding of descriptive statistics.

#### Measures of central tendency – mean, median, and mode

For a variable, a measure of central tendency describes the center of the distribution as follows:

**Mean**: The mean is the average and is the best central tendency measure if the distribution is normal.

**Median**: Half of the observations have a lower value than this variable and the other half have a higher value. This is a good measure if there are extreme...