AP Stats Experimental and Sampling Design

You want to take a simple random sample of 50 of the 816 students who live in a dormitory ​on campus. You label the students 001 to 816 in alphabetical order. In the table of random digits, you read the entries: 95592 94007 69769 33547 72450 16632 81194 14873 The first three students in your sample have labels

• 955, 929, 400

• 400, 769, 769

• 559, 294, 007

• 929, 400, 769

• 400, 769, 335

Identify the sampling method:

Every fifth person boarding a plane is searched thoroughly.

• SRS

• Stratified

• Cluster

• Systematic

• Voluntary Response

Identify the sampling method:

At a local community College, five math classes are randomly selected out of 20 and all of the students from each class are interviewed.

• SRS

• Stratified

• Cluster

• Systematic

• Convenience

Identify the sampling method:

A community college student interviews the first 100 students to enter the building to determine the percentage of students that own a car.

• SRS

• Stratified

• Cluster

• Convenience

• Voluntary Response

The names of 70 contestants are written on 70 cards, The cards are placed in a bag, and three names are picked from the bag.

• SRS

• Systematic

• Stratified

• Cluster

• Convenience

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

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.

Identify the sampling method:

A researcher for an airline interviews all of the passengers on five randomly selected flights.

• SRS

• Systematic

• Stratified

• Cluster

• Convenience

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