Question

make a list of any four sources of data collection
​

Answer 1

Explanation:

This type of data is collected directly by performing techniques such as question

naires, interviews, and surveys.

...

1. Primary data:

Interview method: ...

Survey method: ...

Observation method: ...

Experimental method:

Data collection is the process of acquiring, collecting, extracting, and storing the voluminous amount of data which may be in the structured or unstructured form like text, video, audio, XML files, records, or other image files used in later stages of data analysis.

In the process of big data analysis, “Data collection” is the initial step before starting to analyze the patterns or useful information in data. The data which is to be analyzed must be collected from different valid sources.