Biased and Unbiased Surveys

Biased or unbiased: Jake surveyed only the basketball players about what was the best sport in the school.

• Biased

• Unbiased

True or false: Random sampling is a form of a biased survey.

• True

• False

People standing in line for the new Avengers movie were asked what their favorite type of movie was.

• Unbiased

• Biased

• Not enough information

• All of the above

Mia randomly picked 5 people from each grade to survey them about if they liked school or not.

• Unbiased

• Biased

You want to know which store shoppers at the mall visit the most. You ask each 10th person as they enter the mall which store they will visit.

• Unbiased

• Biased

You want to know how many students in our school have broken a bone. You survey the members of the football team.

• Unbiased

• Biased

You ask 50 people in your local grocery store which grocery store is their favorite.

• Biased

• Unbiased

A country music radio station wants to know what type of music is the most popular. They ask their listeners to call in and select their favorite type of music on a survey.

• Unbiased

• Biased

True or false: Biased info is the best info.

• True

• False

Another name for unbiased sampling is:

• nothing

• chicken nuggets

• Biased

• Random sampling