Stratified vs Cluster 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.W.6.2D

CCSS.W.7.2D

CCSS.W.8.2D

CCSS.W.9-10.2D

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 Sample

• Stratified Random Sample

• Cluster Random Sample

• Systematic Random Sampling

Tags

CCSS.L.11-12.6

CCSS.L.9-10.6

CCSS.W.11-12.2D

CCSS.W.8.2D

CCSS.W.9-10.2D

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

• Stratified.

• Systematic

• Cluster

• Biased.

Tags

TEKS.ELA.CW.4A

TEKS.ELA.E1.6B

TEKS.ELA.E3.8E

TEKS.ELA.E4.8E

This sample is selected by dividing the population into subgroups and then taking a fixed number of units from each group using the simple random sample.

• stratified
• cluster
• judgment
• experimental

Tags

CCSS.HSS.IC.B.3

Identify the sampling design: The LFCC registrar wants to investigate attitudes of their graduates.  The registrar randomly selects 100 names from each of the four past graduating classes.

• cluster
• volunteer
• stratified
• simple random

Tags

CCSS.HSS.IC.A.1

CCSS.HSS.IC.B.3

The principal of a high school wants to know if male students or female students are late to school more often.  He separates the students by gender, then randomly chooses a group of 30 male students, then a group of 30 female students.  This is an example of 

•  random sampling
• Stratified sampling
• Voluntary-Response
• systematic sampling

Tags

CCSS.HSS.IC.A.1

CCSS.HSS.IC.B.3

A researcher who is studying the effects of educational attainment on promotion conducted a survey of 50 randomly selected workers from each of these categories: high school graduate, with undergraduate degree, with master’s degree, and with doctoral degree. What technique is most appropriate?

• Simple Random Sampling

• Systematic Random Sampling

• Stratified Random Sampling

• Cluster Random Sampling

A principal orders t-shirts and wants to check some of them to make sure they were printed properly. She randomly selects 2 of the 10 boxes of shirts and checks every shirt in those 2 boxes. 

• Simple Random Sampling
• Stratified Random Sampling
• Cluster Random Sampling
• Systematic Random Sampling

Tags

CCSS.HSS.IC.B.3

A school chooses 3 randomly selected athletes from each of its sports teams to participate in a survey about athletics at the school.

• Simple Random Sampling
• Stratified Random Sampling
• Cluster Random Sampling
• Systematic Random Sampling

Tags

CCSS.HSS.IC.B.3

Ms. Nichol samples her class by selecting all students sitting at group 1 and group 5 in her classroom. This sampling technique is called?

• Simple

• Stratified

• Systematic

• Cluster

Tags

CCSS.HSS.IC.B.3