Data Sampling

A ___ is a large group that includes everything being studied.

• Sample

• Stratified Sampling Method

• Population

• Census

Interview every 10th student who enters the school in the morning. Determine the sampling method used.

• simple random sampling

• cluster sampling

• systematic sampling

• convenience 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. Determine the sampling method that she used.

• Convenience Sampling

• Systematic Random Sampling

• Simple Random Sampling

• Judgemental 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 Random Sample
• Voluntary Response
• Systematic 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 picks the student in every 5th seat.

• Simple Random

• Systematic

• voluntary response

• convenience

An independent research company wants to go door to door to survey people in the city. 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 Sample

• Stratified Random Sample

• Cluster Random Sample

• Systematic Random Sampling

A teacher hands out an index card and asks ALL of her students to write down the following information: age, height (in inches), and what grade they are in.

Which of the following best describes her method of data collection?

• Census

• Simple Random Sample

• Cluster Random Sample

• Stratified Random Sample

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

• Quota Sampling

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

• Self - selected (volunteer)

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:

• Volunteer Response

• Convenience Sampling

• Simple Random Sampling

• Systematic Random Sampling