Sampling Methods-II

Which of the following is the best definition of a simple random sample?

• A sample created using random numbers

• A sample where the simplest method of sampling is used

• A sample which is representative of the population

• A sample where each member of the population has an equal chance of being selected

Selecting every 10^th item in the population is an example of a ...

• Systematic sample

• Cluster sample

• Stratified sample

• Random sample

Randomly selecting 10 students from each year group in a school is an example of...

• Simple random sampling

• Stratified sampling

• Systematic sampling

• Quota sampling

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

• Simple Random

• Cluster

• Stratified

• Systematic

Tags

CCSS.L.11-12.6

CCSS.L.9-10.6

CCSS.W.11-12.2D

CCSS.W.9-10.2D

CCSS.L.8.6

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 Random
• voluntary response
• convenience

Tags

CCSS.HSS.IC.A.1

CCSS.HSS.IC.B.3

CCSS.HSS.IC.B.4

Elise, a supermarket employee, approached 50 random customers and asked whether they would be willing to discuss what they like most about the store. She interviewed the 22 who said yes. Is this sample of the supermarket's customers likely to be biased?

• yes

• no

Tags

CCSS.HSS.IC.A.1

CCSS.HSS.IC.B.3

Mrs. Trahan samples her class by selecting every third person on her class list.  Which type of sampling method is this?

• Simple
• Systematic
• Stratified
• Cluster

Tags

CCSS.HSS.IC.B.3

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

• Sample
• Stratified Sampling Method
• Population
• Voluntary-Response

Tags

CCSS.L.11-12.4C

CCSS.L.6.4C

CCSS.L.7.4C

CCSS.L.8.4C

CCSS.L.9-10.4C

What type of sampling? Calling randomly generated telephone numbers, a study asked 1001 US adults which medical conditions could be prevented by their diet.

• Random sample
• Convenience sample
• Stratified Random sample
• Census

Tags

CCSS.HSS.IC.A.1

CCSS.7.SP.A.1

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

Tags

CCSS.L.11-12.6

CCSS.L.9-10.6

CCSS.W.11-12.2D

CCSS.W.9-10.2D

CCSS.W.8.2D