Sampling Methods

Assign each car in a dealership a number and then use a random-number table to select the cars to be inspected.

• systematic

• simple random sample

• convenience

• voluntary response

Political webpages often allow readers to rate (if they want to) whether they strongly agree, agree, disagree, or strongly disagree with the President's decision on any given situation. This is a form of:

• Voluntary Response Sampling

• Convenience Sampling

• Simple Random Sampling

• Systematic Sampling

Marianne wanted to know students' opinion on the new schedule at school. She survey's the first 30 students who come into her class.

• Convenience Sampling

• Multistage Sampling

• Cluster Sampling

• Volunteer Response Sampling

Disneyland often surveys its guests as they exit a restaurant during their visit. The surveyor stands at the restaurant exit, counts the number of people leaving, and surveys every 25th guest.

This is a form of:

• Simple Random Sample

• Stratified Sample

• Voluntary Response Sampling

• Systematic Sampling

A teacher wants to know the average time spent doing homework by the students in her class of 20 girls and 5 boys.

She selects the first five who raise their hands.

• Systematic Sampling

• Convenience Sampling

• Voluntary Response Sampling

• Simple Random Sampling

A teacher wants to know the average time spent doing homework by the students in her class of 20 girls and 5 boys.

She selects the five closest to her desk.

• Multistage Sampling

• Voluntary Response Sampling

• Convenience Sampling

• Systematic Sampling

A teacher wants to know the average time spent doing homework by the students in her class of 20 girls and 5 boys.

She picks the student in every 5th seat.

• Simple Random Sampling

• Systematic Sampling

• cluster sampling

• convenience sampling

An independent research company wants to go door to door to survey people in the city of Fontana. The company decides to number all blocks within the city limit, randomly choose 1 block and survey all households on that block.

This is an example of:

• Simple Random Sampling

• Stratified Sampling

• Cluster Sampling

• Systematic Sampling

A teacher wants to know how well her students are doing on a topic. She randomly picks one class to survey.

• Simple Random Sampling

• Cluster Sampling

• Stratified Sampling

• Systematic Sampling

A teacher splits her classes up by period. She then randomly picks 3 students from each period to do a survey.

• Stratified Sampling

• Systematic Sampling

• Cluster Sampling

• Convenience Sampling

Tags

CCSS.HSS.IC.A.1

CCSS.HSS.IC.B.3