M3 9.7 Sampling Methods

A ___ is a large group that includes all individuals from the group of interest.

• Sample

• Stratified Sampling Method

• Population

• Voluntary-Response

A ___ is a small portion of the population used to gather data from.

• Systematic Sampling Method

• Sample

• Population

• Bias

Interview every 10th student who enters the school in the morning.

• simple random

• voluntary response

• systematic

• convenience

In order to determine the average IQ students, a school psychologist uses a list of all schools in the local public school system. She randomly selects five of these schools and administers an IQ test to all students at the selected schools.

• Stratified Random Sample

• Cluster Sample

• Simple Random Sample

• Systematic Sample

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)

Marianne wanted to know students' opinion on the new schedule at school. She survey's the first 10 students who come into her class.

• Convenience Sampling

• Systematic Random Sampling

• Simple Random Sampling

• Volunteer response

The president of a college randomly selects 2 students from each department to serve on a student advisory board.

• Convenience

• Systematic

• Stratified

• Simple Random

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.

• Simple Random Sample

• Stratified Sample

• Voluntary Response

• 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 five closest to her desk.

• simple random

• Self Selected.

• Convenience

• Systematic Random

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