Biased or Unbiased

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

• Biased
• Unbiased

• The sample is biased because only smart students were surveyed.

• The sample is biased because only students at the library were surveyed.

• The sample is biased because only book loving students were surveyed.

• The sample is unbiased.

Tags

CCSS.RL.11-12.6

An airport randomly selects inspects every 8th suitcase that goes through security.

• Unbiased

• Biased

To determine how many students plan to attend the school musical, Maria surveys 100 random people in the hallway.

• Biased

• Unbiased

At the end of the year, a math teacher decides to survey his students to determine what they liked best about his class. He uses his first period class as his sample.

• Unbiased

• Biased

Tags

CCSS.RL.11-12.6

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

• Biased
• Unbiased

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

• Unbiased sample

• Biased sample

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

• Unbiased sample

• Biased sample

What is your favorite sport?  Ask:  people attending a soccer game

• Biased
• Unbiased

Orchestra students were asked if more money should be spent on athletic programs.

• Biased

• Unbiased

Tags

CCSS.RL.11-12.6