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Data is a collection of facts, such as values or measurements.

It can be numbers, words, measurements, observations or even just descriptions of things.

Data can be qualitative or quantitative.

Qualitative data is descriptive information (it describes something)

Quantitative data, is numerical information (numbers).

Data handling is the process of ensuring that research data is stored, archived or disposed off in a safe and secure manner during and after the conclusion of a research project. Data handling is important in ensuring the integrity of research data since it addresses concerns related to confidentially, security,and preservation/retention of research data. Proper planning for data handling can also result in efficient and economical storage, retrieval, and disposal of data.