Question

what's sample survey

Answer 1

A sample survey is a process for collecting data on a sample of observations which are selected from the population of interest using a probability-based sample design. Insample surveys, certain methods are often used to improve the precision and control the costs of survey data collection.

Answer 2

A sample survey is a process for collecting data on a sample of observations which are selected from the population of interest using a probability-based sample design. In sample surveys, certain methods are often used to improve the precision and control the costs of survey data collection.

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