Which situation is an example of non-sampling error?
Correct answer: D. A respondent giving an inaccurate answer
- A. Variation caused by selecting a sample
- B. A larger margin of sampling error
- C. Random differences between samples
- D. A respondent giving an inaccurate answer
Explanation
A respondent giving an inaccurate answer creates response error, which is a non-sampling error. Sampling error arises from observing a sample rather than the entire population and can decrease with an appropriate larger sample.
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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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