SAMPLE AND POPULATION PRACTICE 2

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

• Sample
• Population
• Random Sample
• Quartile

The part of the population being studied

• population
• sample
• random

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 and sample in the following survey:

To determine the number of students who carry backpacks in school, Tina collects data on the first 100 students who enter the building.

Which is the POPULATION

• students

• first 100 students

2. When a sample does not accurately represent the population it is a:

• A. Unbiased sample
• B. Biased sample

Elise, a supermarket employee, approached 50 random customers and asked whether they would be willing to discuss what they like most about the store.  She interviewed the 22 who said yes.  Is this sample of the supermarket's customers likely to be biased?

• yes
• no

Select the sampling method that would most fairly represent the people in the viewing area.

• 100 people that are trying out for a reality TV show

• 100 students at your middle school

• Every 100th person at a shopping mall

A newspaper randomly chooses 100 names from its subscriber list and then surveys those subscribers to find out if they read the sports section. This sample is ........

• unbiased

• biased

All seniors at Cedar Bluff School is an example of

• a sample

• a population

• an outlier

1. A sample in which every person, object, or event has an equal chance of being selected.

• A. Random sample.
• B. Biased sample.