AP Stat Sampling

Which of the following surveying methods divides individuals by a shared attribute, then randomly surveys members within each attribute-group?

• Simple random

• Stratified random

• Cluster random

• Strategic Random

Which of the following surveying methods involves randomly selecting groups of individuals, then surveys all individuals in the group?

• Stratified Random

• Simple Random

• Cluster Random

• Systematic

If you have 1,000 schools on the list, number them from 000 to 999 and read the table three digits at a time. What are the first five schools in this sample?

• 24, 19, 83, 72, 41

• 241, 983, 724, 152, 579

• 2419, 8372, 4152, 5761, 0849

A group of librarians is interested in the numbers of books and other media that patrons check out from their library. They examine the checkout records of 150 randomly selected adult patrons.

• The population is all adult patrons of the library; the sample is the 150.

• The populations is all patrons of the library; the sample is the adult patrons of the library.

• The population is all patrons is all patrons who check out at least 1 book from the library; the sample is the 150 patrons selected.

• A

• B

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• D

• E

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• E

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• D

• E

• A

• B

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• D

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• D

• E