Data Cycle

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Last updated 8:28 PM on 5/28/26
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6 Terms

1
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Measurement, Observation, Using Existing Data, Surveying, and Experimenting

Methods used to collect data

2
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Simple Random Sampling

Every member of a population has an equal chance of being selected.

3
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Systematic Sampling

A starting point is chosen at random and then items are selected at regular intervals.

4
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Stratified Sampling

A population is divided into subgroups and samples from each subgroup are chosen.

5
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Cluster Sampling

The population is divided into subgroups and a random sample of entire subgroups are chosen.

6
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Convenience Sampling

Choose a sample that is easy or close by to ask. This method is typically biased (does not represent an entire group as well).