Biased vs. Unbiased
Authored by Mariah Dragonette
Mathematics
CCSS covered
Used 3+ times
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11 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
4. A company makes DVDs and randomly selects 25 from 1500 to test them to see if they work.
Tags
CCSS.7.SP.A.1
CCSS.HSS.IC.A.1
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
You want to know your town’s favorite fast-food restaurant. You randomly ask 30 people their preference as they leave a McDonald’s restaurant.
biased
unbiased
Tags
CCSS.7.SP.A.1
CCSS.HSS.IC.A.1
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
To get valid results, a sample must be...
biased
unbiased
Tags
CCSS.7.SP.A.1
CCSS.HSS.IC.A.1
4.
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
Tags
CCSS.7.SP.A.1
CCSS.HSS.IC.A.1
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
Tags
CCSS.7.SP.A.1
CCSS.HSS.IC.A.1
6.
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
Tags
CCSS.RI.2.9
CCSS.RI.8.8
CCSS.RL.11-12.1
CCSS.RL.7.1
CCSS.RL.9-10.1
7.
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
Tags
CCSS.HSS.IC.B.3
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