Biased vs Unbiased

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

• Biased
• Unbiased

2.  A homeowner divides their backyard into 5 sections, and randomly removes soil from sections.

• Biased
• Unbiased

Tags

CCSS.HSS.IC.A.1

CCSS.HSS.IC.B.3

_______ is a part of a group being surveyed.

• Sample

• Population

• Random Sample

• Quartile

_________ is a sample in which each individual or object in the entire population has an equal chance of being selected.

• Sample

• Population

• Random Sample

• Quartile

Tags

CCSS.HSS.IC.A.1

CCSS.HSS.IC.B.3

CCSS.HSS.IC.B.4

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

• 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?

• thirty students who are often tardy

• thirty students who are rarely tardy

• thirty of her friends

• thirty randomly selected students from her school

What type of survey sample is it when one portion of the population is favored over another?

• Unbiased sample

• Biased sample

What type of survey sample is it when the entire population is being equally represented?

• Unbiased sample

• Biased sample

Tags

CCSS.HSS.IC.B.3

CCSS.HSS.IC.B.4

10. A senator wants to how she is doing.  She sends a survey to 1000 registered voters in her party

• Biased
• Unbiased

Tags

CCSS.HSS.IC.A.1

CCSS.HSS.IC.B.3

CCSS.HSS.IC.B.4

8. The owners of a music store asked 10 people who wanted help which new CD they liked best.

• Biased
• Unbiased

Tags

CCSS.HSS.IC.A.1

CCSS.HSS.IC.B.3