2: Producing Data

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Last updated 6:21 PM on 10/5/26
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7 Terms

1
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Sampling

Selecting a subset of the population to study

  • Unbiased sample represents the population

  • Biased sample does not


2
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Types of Sampling: Simple Random Sampling (SRS)

Each individual has an equal chance of being selected.

3
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Types of Sampling: Volunteer

People choose to participate

  • Biased


4
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Types of Sampling: Convenience

Choosing the participants that are easiest to find

  • Biased


5
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Types of Sampling: Systematic

Choosing participants at a fixed interval

  • Can be unbiased


6
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Types of Sampling: Cluster

Splitting the population into groups and choosing one group as the sample

  • Biased


7
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Types of Sampling: Stratification

Splitting the population into groups and using SRS in each group to make a collective sample

  • Biased