1. Then simple random sampling or systematic sampling is applied within each stratum. 2. However, systematic sampling is especially vulnerable to periodicities in the list. 3. This makes systematic sampling functionally similar to simple random sampling ( SRS ). 4. Systematic sampling theory can be used to create a probability proportionate to size sample.5. Systematic sampling may also be used with non-equal selection probabilities.6. Then methods such as simple random sampling or systematic sampling can be applied within each stratum. 7. But only Guyette has done systematic sampling in Missouri streams and begun a database on ancient oak tree rings. 8. Experts prefer jobs data generated by the employer survey, which is based on a larger and more systematic sample . 9. It is however, much more efficient ( if variance within systematic sample is more than variance of population ). 10. Systematic sampling and characterization of epifluorescent microscope sponsored by the Zeiss Company and a molecular laboratory lent by MJ Research.
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