what is the difference between quantitative and qualitative collection of data?
A. quantitative collection of data does not involve mathematical calculations while qualitative collection of data does involve mathematical calculations.
B. quantitative collection of data uses close-ended questions, correlation and regression and mean, median and mode methods while qualitative collection of data uses interviews, questionnaires, observation, case studies etc.
C. quantitative collection of data involves interviews and questionnaires while qualitative collection of data involves mean, median and mode methods.
D. qualitative collection of data is cheaper than quantitative collection of data.​