Qualitative refers to written, non-numerical data.
Quantitative refers to numerical data so any measurement, any number.
So in an experiment a change that can be measured as a value say a change in volume or mass is quantitative but a change in colour or smell would be qualitative.
The candy was sour is qualitative.
The bug was 5cm long is quantitative.
The flower is red is qualitative.
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Now try the rest!!