Biased or Unbiased Samples

A coach is recruiting new players for his team. He asks a schools PE coach who he thinks has the best stats. Is this bias or unbias.

• Biased

• Unbiased

A school is wondering what drink is more wanted. They put 10 kids names from each grade in a bowl and drew randomly. Is this bias or unbias

• Biased

• Unbiased

Wills work place is wanting to know what was the best moment of this year. They randomly pick 10 names from a hat. Is this bias or unbias

• Biased

• Unbiased

A hospital wants to know if they should add a gym for physical therapy. They ask 10 physical therapists what they thought. Is this biased or unbiased

• Biased

• Unbiased

A school wants to know if they should add an art class. They ask 10 kids from each grade. Is this biased or unbiased

• Biased

• Unbiased

A local car dealership is wanting to know what car they prefer.  They mail 10 letters to 10 people that don't use their dealership. Is this biased or unbiased

• Biased

• Unbiased

Brody's farmers market is wondering what food is more popular. They ask 10 customers that have bought from them for years. Is this biased or unbiased

• Biased

• Unbiased

A group of 6th graders is wondering how much money they make for doing chores. They ask 10 kids in 6th grade what they make. Is this biased or unbiased

• Biased

• Unbiased

A baseball team wants to know what people's favorite player is. They ask 10 football fans who their favorite player was. Is this biased or unbiased?

• Biased

• Unbiased

A computer store is wondering what computer is better between Apple and Dell. They ask 20 computer users that does not care about what computer they have. Is this biased or unbiased

• Biased

• Unbiased