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Classification of data - Designing Studies

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Classification of data


2 types of data: Qualitative data & Quantitative Data
• Qualitative data:
- Categorical and non-numerical
- Mathematical operations are meaningless
• Quantitative Data:
- numerical
- Mathematical operations are meaningful
- 2 types: Discrete data & Continuous Data

4 levels of measurement: Nominal, Ordinal, interval and, ratio
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Classification of data

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