DATABASE FUNDAMENTALS
TYPES OF DATA
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Quantitative
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Qualitative
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Either A or B
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None of the above
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Detailed explanation-1: -Data collected about a numeric variable will always be quantitative and data collected about a categorical variable will always be qualitative. Therefore, you can identify the type of data, prior to collection, based on whether the variable is numeric or categorical.
Detailed explanation-2: -Strictly speaking, ordinal data such as education level or personal satisfaction levels are qualitative data as well.
Detailed explanation-3: -Typically, a variable can describe either a quantitative or qualitative characteristic of an individual. Examples of quantitative characteristics are age, BMI, creatinine, and time from birth to death. Examples of qualitative characteristics are gender, race, genotype and vital status.