population and sampling

An entire group of objects - people, animals, plants - from which data can be collected.

• population

• sample

• representative sample

• random sample

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

• population

• sample

• random sample

Tags

CCSS.HSS.IC.A.1

CCSS.7.SP.A.1

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

• population

• data

• representative sample

• random sample

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

A journalism teacher wants to determine whether his students would prefer to attend a national writing convention or tour of a local newspaper press. The journalism teacher has a total of 120 students in 4 different classes. What would be a representative sample of this population?

• Survey all the kids in a single class

• Randomly choose 40 kids to survey.

• Ask all of the girls to complete the survey.

• Survey all the kids in two of the classes.

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.HSS.IC.A.1

CCSS.7.SP.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.

A beverage company wanted to see if people in the United States liked their new logo.

Which choice best represents a population?

• A selection of logo artists.

• Every person in the United States.

• A selection of shoppers from different shoppers from different states.

• 3,800 children age 5-15

Tags

CCSS.HSS.IC.A.1

A musician wanted to see what people who bought his last album thought about the songs.

Which choice best represents a sample?

• Every person who bought the album.

• A selection of people who didn't want to buy the album.

• 250 girls who bought the album.

• A selection of 3,294 people who bought the album.

Tags

CCSS.HSS.IC.A.1

CCSS.HSS.IC.B.3

A gaming website wanted to find out which console its visitors owned.

Which choice best represents the population?

• Visitors to the 3DS section.

• All of the website visitors.

• Visitors to the PS4 section.

• Visitors who are on the website for more than 5 minutes.

Tags

CCSS.HSS.IC.A.1

CCSS.HSS.IC.B.3