Categorical Data

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.
      example of Categorical Data
    These toys can be sorted according to their color in different categories as:
      example of Categorical Data

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.

    example of Cartesian Plane
    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.