In an increasingly data-driven world, it is more important than ever for students as well as professionals to better understand basic statistical concepts. 100 Questions (and Answers) About Statistics addresses the essential questions that students ask about statistics in a concise and accessible way. It is perfect for instructors, students, and practitioners as a supplement to more comprehensive materials, or as a desk reference with quick answers to the most frequently asked questions.

# How Can I Decide Which Measure of Central Tendency to Use?

### How Can I Decide Which Measure of Central Tendency to Use?

The specific measure of central tendency you should use depends primarily on the type of data that you are examining.

Here are some summary statements about what measure to chose when.

• If your data are categorical or nominal in nature, then use the mode. Categorical or nominal data are information that can fit in only one category at a time and whose values can be distinguished only by their labels or names. They hold no quantitative value. Some examples of these are hair color, political affiliation, car model, and favorite baseball team.

For example, at a meeting of political junkies, the values associated with party affiliation might be Republican, Democrat, and Independent. Say one were charged ...