
Biased vs Unbiased Quick Check
Authored by Catrina H. Rustin
Mathematics
7th Grade
Used 11+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Biased or Random?
Chloe and Danna want to determine the favorite subject of all students in the middle school. So they place every middle school student's name in a bucket and choose 30 to poll.
Biased sample
Random sample
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
1. Carlos wants to know the favorite sport of people at his school so he asks his baseball team. What type of sample would this be?
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
_________ is a sample in which each individual or object in the entire population has an equal chance of being selected.
Median
Population
Random Sample
Quartile
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Ana wants to know the average student’s opinion of the tardy policy at her school. Which group of students should she survey in order to achieve the most accurate results?
thirty students who are often tardy
thirty students who are rarely tardy
thirty of her friends
thirty randomly selected students from her school
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
To determine how many students plan to attend the school musical, Maria surveys 100 random people in the hallway.
Biased
Unbiased
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Marianne wanted to know students' opinion on the new schedule at school. She places students' names in a container and randomly picks out 20 names.
Biased sample
Unbiased sample
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Disneyland often surveys its guests as they exit a restaurant during their visit. The surveyor stands at the restaurant exit, counts the number of people leaving, and surveys every 25th guest. This would be a:
Biased sample
Unbiased sample
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