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Questions and Answers
What is the purpose of sampling in statistics and survey methodology?
What is the purpose of sampling in statistics and survey methodology?
- To estimate characteristics of the whole population (correct)
- To record data from the entire population
- To ensure 100% accuracy in data collection
- To eliminate the need for probability theory
Why is sampling preferred over recording data from the entire population?
Why is sampling preferred over recording data from the entire population?
- It has lower costs and faster data collection (correct)
- It provides 100% accurate results
- It guarantees representation of the entire population
- It eliminates the need for statistical theory
What is the purpose of applying weights to data in survey sampling?
What is the purpose of applying weights to data in survey sampling?
- To adjust for the sample design, particularly in stratified sampling (correct)
- To manipulate the results in favor of a specific outcome
- To increase the complexity of the statistical analysis
- To eliminate the need for probability theory
In which fields is sampling widely used for gathering information about a population?
In which fields is sampling widely used for gathering information about a population?
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What do statisticians aim to achieve when collecting samples for statistical purposes?
What do statisticians aim to achieve when collecting samples for statistical purposes?
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