**Definition of Categorical Data**

- In Categorical Data, a set of data is sorted or divided into different categories, according to the attributes of the data.

**More about Categorical Data**

- Categorical data are always nominal whereas nominal data need not be categorical.

**Example of Categorical Data**

- The following diagram shows the different colored toys placed in two different shelves.

These toys can be sorted according to their color in different categories as:

**Solved Example on Categorical Data**

The table shows the details of the hair color and eye color of a number of students in a class. Find the total number of students with black hair, ignoring the eye color.

Choices:

A. 6

B. 4

C. 5

D. 3

Correct Answer: C

Solution:

Step 1:To find the total number of students with black hair, ignoring their eye color, you just have to add the number along the column labeled 'Black'.

Step 2:= 2 + 1 + 1 + 1 = 5

Step 3:So, the total number of students with black hair, ignoring the eye color, is 5.

**Related Terms for Categorical Data**

- Attribute
- Data
- Set