M3 U8 Day 2: Sampling and Bias

Sampling method that consists of n individuals from the population chosen in such a way that every individual has an EQUAL chance of being selected.

• Stratified Sampling
• Simple Random Sampling (SRS)
• Cluster Sampling
• Systematic Sampling

Tags

CCSS.HSS.IC.A.1

CCSS.HSS.IC.B.3

Sampling method based upon LOCATION and you randomly pick a location and sample all there

• Stratified Sampling
• Simple Random Sampling (SRS)
• Cluster Sampling
• Systematic Sampling

Tags

CCSS.HSS.IC.B.3

Source of bias in which people CHOOSE to respond and usually only people with very strong opinions respond

• Response Bias
• Undercoverage
• Convenience Sampling
• Voluntary Response

Source of bias in which some groups of populations are LEFT OUT of the selection process

• Response Bias
• Undercoverage
• Convenience Sampling
• Voluntary Response

Tags

CCSS.7.SP.A.1

Source of bias that occurs when you ask people who are EASY to ask

• Response Bias
• Convenience Sampling
• Nonresponse
• Voluntary Response

Tags

CCSS.7.SP.A.1

Dylan wants to know how the students at his school rate the cafeteria.  He surveyed his school's basketball team to rate the school cafeteria. Is this a biased sample of the school's population?

• Yes, because it is a convenience survey
• No, the basketball team has the smartest students
• Yes, because it's voluntary survey
• No, he should have asked the football team

Tags

CCSS.HSS.IC.A.1

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

Identify the sampling design: School admin conducted a survey on post-graduation plans.  Students of senior class 2018 were listed in order by class rank.  The school selected a random number between 1 and 15, obtaining a number 11.  Then, they selected every 11th student for the survey.

• cluster
• volunteer
• systematic
• simple random

Tags

CCSS.HSS.IC.B.3

Identify the sampling design: Mr. Rhoades puts all of his students' names in a hat and randomly selects one without looking.

• cluster
• volunteer
• systematic
• simple random

Tags

CCSS.HSS.IC.A.1

CCSS.HSS.IC.B.3

Identify the sampling design: Student government randomly samples 25 students of each of the four classes.

• stratified
• volunteer
• systematic
• simple random

Tags

CCSS.HSS.IC.B.3