Learning Objectives:

__Center and Spread__

When a set of data presented with quantitative in nature, we can describe the distribution by looking at the **Center and Spread.**

*Center:*

**Center **is where most of the data is located. Different ways to measure **Center** are as follows:

1. ** Mean:** The

2. ** Median:** The

*Spread:*

**Spread** is a measure that how spread out the numbers are. Consistent data means all of the data are close to each other. The more inconsistent the data is, the more spread out the numbers are. Several ways to measure **Spread** are as follows:

1. ** Range:** The

2. ** Quartiles:** The

3. ** Standard Deviation:** The

**Hook Questions:**

*1. **What is Center? How to measure it?*

*2. **What is Spread? How to measure it?*

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