Qualitative data
- Deals with descriptions.
- Data can be observed but not measured.
-Colors, textures, smells, tastes, appearance, beauty, etc.
Sample - Usually a small number of non-representative cases. Respondents selected to fulfil a given quota.
Quantitive data
- Deals with numbers.
- Data which can be measured.
-Length, height, area, volume, weight, speed, time, temperature, humidity, sound levels, cost, members, ages, etc.
Sample - Usually a large number of cases representing the population of interest. Randomly selected respondents.
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