DATABASE FUNDAMENTALS
TYPES OF DATA
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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This is a question from the 2018 Further Maths Exam 2.Select the variables which represent categorical data.
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City-name of city
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Congestion level-high, medium or low
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Size of city-small or large
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Travel time-in minutes
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Explanation:
Detailed explanation-1: -Categorical variables represent types of data which may be divided into groups. Examples of categorical variables are race, sex, age group, and educational level.
Detailed explanation-2: -Categorical Variable: A categorical variable is a variable that is not numerical-instead it is based on a qualitative property, such as color, breed, or gender, among others. Categorical variables do not have a particular ordering, since they are not numerical, and take on values from a limited set of possibilities.
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