SIP AQR Population and Sampling

A health club manager wants to determine whether the members would prefer a new sauna or a new steam room. The club surveys 50 of its 600 members. What is the population of this study?

• All 600 members of the club

• 50 members the club surveys

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

A bagel shop takes a survey to find the approximate percentage of its customers who prefer the new shop hours. What is the population of this survey?

• The employees who work at the store.

• Every customer who came to the store on Monday.

• The ten customers who complete the survey.

• All of the bagel shop's customers.

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

Garret wants to find out which restaurant people think serves the best beef brisket in town. What is the population from which Garret should find a sample?

• The residents of the town.

• All of the students who attend school.

• The residents who each the first restaurants.

• All adults in the town.

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

Every member of the population has an equal chance of being selected to collect data from.

• population

• data

• representative sample

• random sample

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

A portion of the population that has the same characteristics as the population.

• population

• sample

• random sample

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

The school board wants to decide if they should more money be put into athletic programs or music programs at school. They survey the students in the band program. Is this survey biased or unbiased?

• Biased

• Unbiased

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

Exit polls (where the surveyor asks those who are leaving the poll booths on election day) are a form of:

• Voluntary Response
• Convenience Sampling
• Simple Random Sampling
• Systematic Sampling

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

Marianne wanted to know students' opinion on the new schedule at school. So she randomly selected 2 students from each class during second period. 
This is a form of:

• Convenience Sampling
• Simple Random Sampling
• Stratified Random Sampling
• Cluster Sampling

Tags

CCSS.HSS.IC.B.3

Why do we randomly select our samples?

• for control
• reduce bias
• so we don't get the same answers from everyone
• to eliminate confounding results

Tags

CCSS.HSS.IC.B.3

Why do we randomly select our samples?

• for control
• reduce bias
• so we don't get the same answers from everyone
• to eliminate confounding results

Tags

CCSS.HSS.IC.B.3