Question

Explain briefly, why a sample survey is usually preferred over a census survey​

Answer 1

Answer:

Advantages of Sample Surveys compared with Censuses: Reduces cost - both in monetary terms and staffing requirements. Reduces time needed to collect and process the data and produce results as it requires a smaller scale of operation. (Because of the above reasons) enables more detailed questions to be asked.

Explanation:

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Answer 2

Answer:

Sample Surveys compared with Censuses: Reduces cost - both in monetary terms and staffing requirements. Reduces time needed to collect and process the data and produce results as it requires a smaller scale of operation. (Because of the above reasons) enables more detailed questions to be asked