Sample Bias & Data Measures Review

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.7.SP.A.1

CCSS.HSS.IC.A.1

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.HSS.IC.A.1

Determine if the following question is biased.

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

• Biased

• Unbiased

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.7.SP.A.1

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.7.SP.A.1

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.RL.11-12.6

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.7.SP.A.1

CCSS.HSS.IC.A.1

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.7.SP.A.1

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.7.SP.A.1

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.7.SP.A.1

CCSS.HSS.IC.A.1