AP Stat

The student government at a high school wants to conduct a survey of student opinion. It wants to begin with a simple random sample of 80 students. Which of the following survey methods will produce a simple random sample?

• Survey the first 80 students to arrive at school in the morning

• Survey every 5th student entering the school library until 80 students are surveyed.

• Use random numbers to choose 20 each of first-year, second-year, third-year, and fourth-year students.

• Number the students in the official school roster. Use a table of random numbers to choose 80 students from this roster for the survey.

• Number the cafeteria seats. Use a table of random numbers to choose seats and interview the students until 80 have been interviewed.

The boxplots summarize two data sets, 1 and 2. Which of the following must be true?

• I only

• I and III only

• I and II only

• I, II, and III

• III only

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

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

Identify the shaded area...

• A∩B

• A∪B

• A'∩B'

• A'∪B'

Identify the shaded area...

• A

• B

• A'

• B'

Identify the shaded area...

• A

• B

• A'

• B'

Identify the shaded area...

• A∩B

• A∪B

• A'∩B'

• A'∪B'