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Sampling over census

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Explain why sampling is essential to many research designs, and why, if done correctly may be more accurate than attempting census measurement.

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The expert explains why sampling is essential to many research designs.

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Sample survey has greater scope as compared with complete census. There is considerable saving in time and labor since only part of the population is inspected. The sampling results can be obtained more rapidly and the data can be analyzed much faster since relatively fewer data have to be collected and processed. ...

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