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.
Video Examples: Categorical data
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
Ques: 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.
Correct Answer: C
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.