Sample Bias

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

• A. Unbiased sample
• B. Biased sample

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

Biased or unbiased:

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

• A. Biased
• B. Unbiased

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

Biased or unbiased:

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

• A. Biased
• B. Unbiased

Tags

CCSS.RL.11-12.6

Biased or unbiased:

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

• Biased
• Unbiased

Ana wants to know the average student’s opinion of the tardy policy at her school.

Which group of students should she survey in order to achieve the most accurate results?

• A. Thirty randomly selected students from her school
• B. Thirty students who are rarely tardy
• C. Thirty of her friends

• D. The first 30 students who enter the school

The choir director in a high school wants to know how the students in the school feel about singing. If the director selects 100 girls and 100 boys to complete a survey, which method will result in a biased sample?

• A. The students will be selected from the choir.
• B. The students will be selected randomly throughout the school.

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

Source of bias in which people CHOOSE to respond and usually only people with very strong opinions respond.

• Voluntary Response Bias

• Undercoverage Bias

• Leading Question Bias

• Social Desirability Bias

• Non Response Bias

Tags

CCSS.HSS.IC.B.3

Which type of bias occurs when some groups of populations are LEFT OUT of the selection process?

• Voluntary Response Bias

• Undercoverage Bias

• Wording Bias

• Response Bias

• Non Response Bias

Tags

CCSS.HSS.IC.B.3

Which type of bias involves respondents answering questions in a way that they think will lead to being accepted and liked.

• Wording Bias

• Undercoverage Bias

• Response Bias

• Voluntary Response Bias

• Non Response Bias

Tags

CCSS.HSS.IC.B.3

Which type of sampling method could lead to bias?

• Simple Random Sample

• Convenience Sample

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1