Population Sample and Bias

Occurs when the individuals who choose not to participate in a survey differ systematically from those who do, leading to a potential distortion in the survey results.

• Non-response bias

• Experimenter bias

• Social desirability bias

• Personal bias

A method of collecting samples where every individual in the population has an equal chance of being selected.

• Representative sample

• Cross-sectional sample

• Random sample

• Convenience sample

A subset of the population that accurately reflects the demographics and characteristics of the larger group being studied.

• Representative sample

• Cross-cultural sample

• Random sample

• Convenience sample

The tendency for respondents to respond to questions or behave in ways that they believe will be viewed favorably by others.

• Non-response bias

• Experimenter bias

• Personal bias

• Social desirability bias

Complete the definition:

A _________ consists of all subjects (human or otherwise) that are being studied

• Statistics

• Number

• People

• Population

• Pueblo

Tags

NGSS.MS-LS4-4

Population or Sample?

A survey of 1353 American households found that 18% of the households own a computer.

• Population

• Sample

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

The average weight of every person entering the mall within 3 hour period was 146 lb.

• Population

• Sample

Before a nation wide election, a polling place was trying to see who would win.
Which choice best represents a sample?

• A selection of voters over age 50.

• A selection of male voters.

• A selection of voters of different ages.

• All of these.

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