In simple random sampling, every possible sample of a specified size has:
Correct answer: A. An equal chance of selection
- A. An equal chance of selection
- B. A fixed order of selection
- C. An equal number of strata
- D. A separate sampling interval
Explanation
Simple random sampling gives every possible sample of the chosen size an equal probability of being selected. A fixed order or sampling interval belongs to systematic sampling, not simple random sampling.
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About Sampling and Estimation
Sampling covers population and sample, sampling frames, simple random, systematic, stratified, cluster and convenience methods, along with sampling and non-sampling errors. Estimation includes sample statistics, population parameters, point estimates, confidence intervals and margins of error, with attention to how sample size affects precision.
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