DATABASE FUNDAMENTALS
TYPES OF DATA
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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True
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False
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Either A or B
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None of the above
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Detailed explanation-1: -A variable is a quantitative variable whose possible values can be listed. Qualitative variables describe how much or how many of something there is. A discrete variable is one whose possible values can be listed.
Detailed explanation-2: -A categorical variable (also called qualitative variable) refers to a characteristic that can’t be quantifiable. Categorical variables can be either nominal or ordinal.
Detailed explanation-3: -Qualitative variables are divided into two types: nominal and ordinal.
Detailed explanation-4: -There are two types of quantitative variables: discrete and continuous.
Detailed explanation-5: -Quantitative data is the type of data whose value is measured in the form of numbers or counts, with a unique numerical value associated with each data set. Also known as numerical data, quantitative data further describes numeric variables (e.g. How many? How often? How much?)