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QNT 275 Week 2 participation Obtaining a Suitable Sample

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QNT 275 Week 2 participation Obtaining a Suitable Sample

https://uopcourses.com/category/qnt-275-participations/

 

QNT 275 Week 2 participation Obtaining a Suitable Sample

 

Watch the “Obtaining a Suitable Sample” video.

Consider the following as you watch:

 

 

 

    • Discuss the difference between convenience and random sampling.

 

 

    • Explain how you can obtain a sample size representative of a population.

 

 

    • Provide three examples.

 

 

    • Explain why a sample is used in place of the population.

 

 

 

Thoughts on Sampling

Team

 

I liked this Video, it provided a very good over-view of the basics of research design. In order to execute on a research initiative that is going to apply the concepts of statistical methods, you need to collect a sample population which will represent the Overall/Universal population to which your study is examining. Your Ultimate goalyou want to eliminate the bias (sampling error) as much as possible to come up with a general conclusion about the expected behavior of the overall population based on the observed behavior of your sample population.

 

There are several ways you can select your sample

 

 

 

 

    1. Simple Random: A sampling procedure allowing for the equal  and independent chance of subjects being selected as part of the sample.      This is a very important process as we will be using it to apply to all  the statistical formulas. You put names in a hat and pick your sample

 

 

    1. Non-probability: A sampling procedure when the likelihood of selecting any one member of the population is unknown. Not much difference      between this procedure and the one above. However, you do not know the percentage of the population that you are examining.

 

 

    1. Systematic sampling: A random sampling procedure where increment determine who becomes a part of the sample.

 

 

    1. Stratified sample: The process of selecting a sample that represents different groups of the population.

 

 

    1. Cluster sampling: A probability sampling procedure where units of subjects are selected rather than the subjects themselves.

 

 

    1. Convenience sample: Represents a captive audience.

 

 

 

Any questions on these techniques?

 

QNT 275 Week 2 participation Obtaining a Suitable Sample https://uopcourses.com/category/qnt-275-participations/ QNT 275 Week 2 participation Obtaining a Suitable Sample Watch the “Obtaining a Suitable Sample” video. Consider t
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