Sample Bias

Determine if the following study is biased.

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

• A. Biased

• B. Unbiased

Tags

CCSS.HSS.IC.B.3

CCSS.HSS.IC.B.6

Determine if the following study is biased.

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

• A. Biased

• B. Unbiased

Tags

CCSS.7.SP.A.1

CCSS.7.SP.A.2

Determine if the following question is biased.

Are stoplights needed at the intersection of Main and Perry Streets?

• Biased

• Unbiased

Tags

CCSS.RL.11-12.6

Determine if the following study is biased.

To see who has a computer at home the front office asks 10 randomly chosen students from each grade.

• Biased

• Unbiased

Tags

CCSS.HSS.IC.B.3

CCSS.HSS.IC.A.1

Determine if the following study is biased.

A company makes DVDs and randomly selects 25 from 1500 to test them to see if they work.

• Biased

• Unbiased

Tags

CCSS.HSS.IC.B.3

CCSS.HSS.IC.A.1

Determine if the following study is biased.

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

• Biased

• Unbiased

Tags

CCSS.HSS.IC.B.3

CCSS.HSS.IC.A.1

CCSS.HSS.IC.B.4

Determine if the following study is biased.

The first 100 people at the park Thursday were asked if dogs should be off leashes in the park.

• Biased

• Unbiased

Tags

CCSS.HSS.IC.B.3

CCSS.HSS.IC.A.1

CCSS.HSS.IC.B.6

Determine if the following study is biased.

A teacher decides to survey the students in her classes to find out their opinion on the new menu in the cafeteria.

• Biased

• Unbiased

Tags

CCSS.HSS.IC.B.3

CCSS.HSS.IC.A.1

Determine if the following study is biased.

You want to know your town's favorite fast-food restaurant. You randomly ask 30 people their preference as they leave a McDonald's restaurant.

• Biased

• Unbiased

Tags

CCSS.HSS.IC.B.3

CCSS.HSS.IC.A.1

Determine if the following study is biased.

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.B.3

CCSS.HSS.IC.A.1