Population Sample Bias

Front

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

Back

Random sample

Front

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

Back

Biased sample

Front

A public library asked every 10th person who entered to name the type of book they were getting.

Back

Unbiased

Front

Dylan wants to know the favorite sport of people at his school so he asks his baseball team.

Back

Biased

Front

A hospital wants to open a gym. They ask the night-shift ER staff when they would use the gym.

Back

Biased

Front

Which group of students should Bella survey to get the most accurate opinion on the tardy policy?

Back

Thirty randomly selected students from her school

Front

Which group of people represents the sample group in the survey conducted at the St. Charles County Fair?

Back

Fair goers who responded to the survey

Front

What is the entire group of objects or individuals considered for a survey?

Back

Population

Front

Is the sample of 50 random customers interviewed by Elise likely to be biased?

Back

Yes

Front

Why do we randomly select our samples?

Back

reduce bias