population and sample groups

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

• population

• sample

• representative sample

• random sample

A subset of the population that you actually gather data from.

• population

• sample

• 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

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 eat for the the first time in the restaurants.

• All adults in the town.

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.

During a middle school baseball game, every spectator placed his or her ticket stub into one of several containers. After the game, the coach chose eight people to march in the sportsmanship parade. What is the sample in this situation?

• Every spectator who attended the game.

• The eight people chosen to march in the parade.

• Every spectator who held on to their ticket stub.

• The baseball players of the team who won the game.

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

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.

A mayor wanted to see if the people in his town thought he was doing a good job.

Which choice best represents a sample?

• 1,000 unemployed voters

• The mayor's family

• The residents of the town

• 242 voters

A toy store owner tracking how much kids spend each month on toys. Which choice best represents a population?

• All of the kids who buy toys.

• 227 wealthy kids.

• 228 boys age 7 - 15

• 235 kids from age 10 to 15.