In Exercises 9–20, identify which of these types of sampling is used: random, systematic, convenience, stratified, or cluster.Dictionary The author collected sample data by randomly selecting five books from each of the categories of science, fiction, and history. The numbers of pages in the books were then identified.

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Asked Dec 17, 2019
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In Exercises 9–20, identify which of these types of sampling is used: random, systematic, convenience, stratified, or cluster.

Dictionary The author collected sample data by randomly selecting five books from each of the categories of science, fiction, and history. The numbers of pages in the books were then identified.

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Expert Answer

Step 1

In simple random sampling each subject has equal chance of being selected.

In systematic random sampling the samples being selected according to a random starting point with a fixed period interval.

Step 2

In stratified random sampling the samples drawn from the independent subgroups called strata.

In cluster sampling the population divided into subgroups and then a simple random sample of s...

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