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How do you indentify between: simple random, stratified, cluster, systematic, convenience types of sampling.

How do you indentify between: simple random, stratified, cluster, systematic, convenience types of sampling.
Math   Statistics-And-Probability   
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Simple random sample: Every member and set of members has an equal chance of being included in the sample. Technology, random number generators, or some other sort of chance process is needed to get a simple random sample.

Stratified random sample: The population is first split into groups. The overall sample consists of some members from every group. The members from each group are chosen randomly.

Cluster random sample: The population is first split into groups. The overall sample consists of every member from some of the groups. The groups are selected at random

Systematic random sample: Members of the population are put in some order. A starting point is selected at random, and every nth member is selected to be in the sample.

Convenience sampling is a non-probability sampling technique where subjects are selected because of their convenient accessibility and proximity to the researcher.

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