AP Stats Sampling Methods

Which of the following would reduce the variability in sampling?

• Using a larger sample size

• Using a smaller sample size

• Assigning individuals randomly

• Using Judgement Sampling

Which of the following does NOT reduce bias in sampling?

• Preventing undercoverage

• Removing leading questions on surveys

• Randomizing participants

• Giving surveys to participants that you think are representative of the population

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

• Cluster Random

• Simple Random

• Systematic

What type of sampling is shown?

• Simple Random Sample

• Systematic Sample

• Cluster Sample

• Stratified Sample

A ​ ​ (a)   is a representative portion of the population from which information is gathered.

• sample

• statistics

• parameter

• population

A town council creates a survey to collect data on preferences for the location of a new park. What would be a valid sampling method to collect the survey data?

Select the VALID method(s)

Tags

7.SP

You are surveying from a group of 35 people using a simple random sample. You assign each member of the group a number, then select 3 of them using the random digits: 61424 20419 86546 00517.

Which number is selected second?

• 42

• 4

• 20

• 19

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

Identify the sampling method:

Every fifth person boarding a plane is searched thoroughly.

• SRS

• Stratified

• Cluster

• Systematic

• Voluntary Response