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Answer:
Raw data, also known as primary data, is data (e.g., numbers, instrument readings, figures, etc.) collected from a source. In the context of examinations, the raw data might be described as a raw score.
Step-by-step explanation:
Primary data can be collected in a number of ways. However, the most common techniques are self-administered surveys, interviews, field observation, and experiments. Primary data collection is quite expensive and time consuming compared to secondary data collection.
Some demerits-
Collection of primary data is a time consuming affair.
It may be expensive too.
It is difficult to find sincere and honest interviewers or enumerators.
In the case of questionnaire method, the researcher might face the problem of non-response.
Answer:
Raw data, also known as primary data, is data collected from a source. In the context of examinations, the raw data might be described as a raw score
Direct personal Investigation: ADVERTISEMENTS: ...
•Indirect Oral Investigation: Here, the investigator collects the data indirectly by interviewing persons who are known to be close to the original persons or the incidence. ...
Information through Local Correspondents: ...
Precautions: