Identify Population and Sample

_______ is the entire group of objects or individuals considered for a survey.

• Sample

• Population

• Random Sample

• Quartile

Population or Sample?

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

• Population

• Sample

Population or Sample?

A police officer measures the speed of all the cars that pass a specific point on the road during his shift.

• Population

• Sample

Cherokee County Schools randomly selected 230 teachers to find out which technology resource its teachers feel is the most effective. What is the population in this situation?

• 230 Teachers

• All Cherokee County teachers

• All Cedar Bluff teachers

• All Sand Rock and Spring Garden students

Identify the population and sample for each example.

• Population: Students

  Sample: Members of the football team

• Population: Members of the football team

  Sample: Students

• Population: Students

  Sample: Students that have had a broken bone

• Population: Members of the football team

  Sample: Members of the football team that have broken a bone.

You look at a 5 mile stretch of Maui and count the number of traffic lights.

• ^{Population: 5 mile stretch of Maui 
  _{Sample: Number of Traffic Lights}}

• ^{Population: Number of Traffic Lights
  _{Sample:  5 mile stretch of Maui}}

• ^{Population: Maui
  _{Sample:  Number of traffic lights}}

• ^{Population: 5 mile stretch of Maui 
  _{Sample:  Maui}}

A computer manufacturer surveys every tenth customer who purchases a laptop computer to figure out what software the company should include with its computer. Identify the population and sample.

• Population: Customers

  Sample: Every tenth customer

• Population: Customers

  Sample: The customers that chose the most popular software

• Population: Every tenth customer

  Sample: The customers that chose the most popular software

• Population: Every tenth customer

  Sample: Customers

A survey company was trying to see if people in a state thought the pollution was too high. Which choice best represents a population?

• Every person in the state

• A selection of people from each neighborhood in the state

• A selection of people who live near the highways

• A selection of people who live in small towns

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

• The coach

• The ticket stubs

• The eight people to march in the sportsmanship parade

• The baseball game spectators

Identify the population and sample in the following survey: A telephone survey is given to 2,000 randomly selected families in order to predict the average amount of money American families spend on groceries each week. Which is the SAMPLE (the part)

• AMERICA

• 2000 FAMILIES