3/6 Quiz Review HW - Representative Samples & Inferences

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

• Sample
• Population
• Random Sample
• Quartile

What would be the population in this example?
Surveyors in a mall choose shoppers to ask about products they prefer.

• the surveyors
• all shoppers in the mall
• the shoppers who were asked their preferences

The part of the population being studied

• population
• sample
• random

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 visit the bookstore.

• People who buy mystery novels.

• Residents of the town

• People who like to read.

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.

• People who play instruments.

• All music store customers except Jazz Club members.

• All music store customers

• Jazz Club members

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

Identify the Population:

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

The Magic Kingdom theme park has many attractions, one of which is Space Mountain. Are the people who ride Space Mountain the population or a sample of the theme park? Explain.

• Population. They are all the people at the theme park.

• Sample. They are a subset of all the people at the theme park.

• Both population and sample. They are all the people at the theme park

• Neither population nor sample. They are not the people at the theme park.

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