DATABASE FUNDAMENTALS
TYPES OF DATA
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Quantitative Data
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Qualitative Data
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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: -For example: weight, temperature, height, GPA, annual income, etc. are classified under numerical or quantitative data. In comparison, categorical data are qualitative data types. Some examples include: name, hair colour, qualification etc.
Detailed explanation-3: -Although categorical data is qualitative, it can also be calculated in numerical values. However, these possible values don’t have quantitative qualities-meaning you can’t calculate anything from them. Categorical data may also be classified as binary and nonbinary depending on its nature.
Detailed explanation-4: -Quantitative variables are any variables where the data represent amounts (e.g. height, weight, or age). Categorical variables are any variables where the data represent groups. This includes rankings (e.g. finishing places in a race), classifications (e.g. brands of cereal), and binary outcomes (e.g. coin flips).