DATABASE FUNDAMENTALS
TYPES OF DATA
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Categorical
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Numerical
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Either A or B
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None of the above
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Detailed explanation-1: -Gender, handedness, favorite color, and religion are examples of variables measured on a nominal scale. The essential point about nominal scales is that they do not imply any ordering among the responses.
Detailed explanation-2: -Quantitative Data are numbers: heights; weights; speeds; number of pets owned; years; etc. Qualitative Data are not numbers. They may include favorite foods; religions; ethnicities; etc..
Detailed explanation-3: -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-4: -For example, gender is a commonly used categorical variable. Categorical variables can be either ordinal (the categories can be ranked from high to low) or nominal (the categories cannot be ranked from high to low).