Samples vs Populations

Organize these options into the right categories

Groups:

(a) Population

,

(b) Sample

• All high school students in a particular city

• sample of 100 patients from a local clinic who meet the inclusion criteria for the study

• sample of 50 households randomly selected from different blocks within the neighborhood

• Residents of a specific neighborhood

• Patients diagnosed with a specific medical condition

• Randomly selected 500 high school students from different schools in the city

The manager of a book store surveys people who buy mystery novels to see if the store should expand its hours.

What is the population?

• people who buy mystery novels
• People who visit the bookstore.

• Residents of the town

• People who like to read.

A student surveys mathematics teachers to get their opinion on teaching.

What is the sample?

• All teachers except mathematics teachers.

• All teachers within the school.

• All mathematics teachers in the school

• All teachers in the world.

A computer manufacturer surveys its customers who purchased laptop computers to ask what software the company should include with its computer.

Identify the population.

• 
  Customers of the store

• Customers who purchased laptop computers.

• Customers who are interested in software.

• Computer manufacturers

A music store gives comment cards to all members of its Jazz Club to find out about satisfaction with the club's features.

Identify the sample.

• Jazz Club members

• All music store customers

• People who play instruments.

• All music store customers except Jazz Club members.

A scientist studies a herd of deer at a local state park to learn about their dietary habits.

Identify the population.

• All animals

• All deer at the local state park.

• All animals except the deer.

• The herd of deer at the local state park

The owners of a sports stadium wanted to predict what additional refreshment options would sell well. They selected 80 seat numbers at random and surveyed the occupants of those seats.

Identify the population and sample in this setting.

• Population: The population is the occupants of all seats in the sports stadium

  The sample is the occupants of the 80 selected seats.

• The population is all the people buying refreshment.

  The sample is the occupants of the 80 selected seats.

• The population is he occupants of the 80 selected seats.

  The sample is refreshment option

A city council member wanted to know how her residents felt about a planned rezoning. She randomly selected 75 names from the city phone directory and conducted a phone survey.

Identify the population and sample in this setting.

• The population is 75 people.

  The sample is all the residents

• The population is all the residents.

  The samples is 75 random people.

• The population is the city council members.

  The sample is 75 random people

• The population is 75 random people.

  The sample is city council members

A quality control engineer is curious about the thickness of paint on a car at her factory. She randomly selects 30 points on the car and measures the paint thickness at each of those points.

Identify the population and sample in this setting.

• The population is every car at the factory

  The sample is the 1 car she is curious about.

• The population is every possible point on the car.

  the sample is the 30 selected points.

• The population is every car at the factory

  The sample is the 30 selected points.

A factory overseer selects 40 threaded rods at random from those produced that week at the factory, then she tests their tensile strength.

Identify the population and sample in this setting.

• Population: All threaded rods produced that month at the factory;

  Sample: 40 threaded rods selected by the factory overseer.

• The population is all threaded rods in the world;

  The sample is all threaded rods produced at the factory.

• The population is all threaded rods ever produced at the factory;

  the sample is the threaded rods produced that week.

• Population: All threaded rods produced that week at the factory

  Sample: 40 threaded rods selected by the factory overseer.