Chapter 1 Data Collection
1.4 Types of data
Variables or data associated with numerical observations are called quantitative variables or quantitative data. Variables or data associated with non-numerical observations are called qualitative variables or qualitative data.
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Variables or data associated with numerical observations are called quantitative variables or quantitative data. Variables or data associated with non-numerical observations are called qualitative variables or qualitative data.
Define qualitative, quantitative, discrete and continuous data, and understand grouped data.