
Survey Bias
Authored by Anthony Clark
Mathematics
7th Grade
Used 1+ times

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6 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
At a middle school, the 7th graders will conduct a survey for where to go on a field trip. Which method will result in the least biased decision?
to randomly ask 8th grade students who went on a field trip last year
to randomly choose some 7th grade students to select a location
to ask all 7th grade teachers and administrators for a location
to ask the student council to choose a location
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Reign wants to determine the most popular brand of cereal in all of Kentucky. So he polls all the houses on his street to get a sample.
Biased
Random
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
On a scale of 1-10, how would you rate my awesome and exciting class.
Biased
Unbiased
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Why do we randomly select our samples?
for control
reduce bias
so we don't get the same answers from everyone
to eliminate confounding results
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The Student Council asked every tenth student in the lunch line how they preferred to be contacted with school news. The results are shown in the table. Is this an unbiased sample? If yes, suppose there are 684 students at the school. How many can be expected to prefer E-mail?
No, it's a biased sample
432
304
16
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Dylan wants to know how the students at his school rate the cafeteria. He surveyed his school's basketball team to rate the school cafeteria. Is this a biased sample of the school's population?
Yes, because it is a convenience survey
No, the basketball team has the smartest students
Yes, because it's voluntary survey
No, he should have asked the football team
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