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StatisticsQ&A LibraryIn Exercises 9–20, identify which of these types of sampling is used: random, systematic, convenience, stratified, or cluster.Exit Polls During the last presidential election, CNN conducted an exit poll in which specific polling stations were randomly selected and all voters were surveyed as they left the premises.Question

Asked Dec 26, 2019

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In Exercises 9–20, identify which of these types of sampling is used: random, systematic, convenience, stratified, or cluster.

Exit Polls During the last presidential election, CNN conducted an exit poll in which specific polling stations were randomly selected and all voters were surveyed as they left the premises.

Step 1

**Systematic sample:**

In a systematic sample, starting with a unit selecting at random, every unit in the sample is selected from the population.

**Convenience sampling:**

In convenience sampling based on the easy availability of the units, the sample is considered for the study.

**Simple random sampling:**

In simple random sampling, all the units in the population have the ...

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