Sampling, Data Presentation and Interpretation (C11) Flashcards

1
Q

What is simple random sampling?

A

1) Every item in the population has an equal chance of being in the sample.

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2
Q

What is systematic sampling?

A

1) Selects the nth member from the population your investigating.

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3
Q

What is stratified sampling?

A

1) The population is divided into categories with the same proportion of the sample as the overall population for each group.
2) Find number needed in each category using:
(size of category in pop/total size of pop) X total sample size.

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4
Q

What is opportunity sampling?

A

1) You choose members of the population which are easiest to sample.

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5
Q

What is cluster sampling?

A

1) This is sampling where you can divide the population into distinct groups before sampling.

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6
Q

What is self-selection sampling?

A

1) This is where people choose to be part of the sample.

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