
Identifying Sample Types: Representative, Random, and Biased

Interactive Video
•
Mathematics
•
6th - 10th Grade
•
Hard
+1
Standards-aligned

Ethan Morris
FREE Resource
Standards-aligned
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is the mayor's survey of her own neighborhood considered biased?
She surveyed too many people.
She used a random number generator.
She included people from other towns.
She only surveyed people who live close to her.
Tags
CCSS.7.SP.A.1
CCSS.HSS.IC.A.1
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is Mason's survey of all the children in the neighborhood not biased?
He only asked his friends.
He included every child in the neighborhood.
He asked only the children who were at the park.
He used a biased sampling method.
Tags
CCSS.7.SP.A.1
CCSS.HSS.IC.A.1
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What makes Madison's sample of five students from each class representative?
She chose students from only one class.
She chose students who volunteered.
She chose students randomly from every class.
She chose students based on their grades.
Tags
CCSS.7.SP.A.1
CCSS.HSS.IC.A.1
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is Madison's method of picking marbles considered random?
She picked the marbles with her eyes closed.
She looked at the marbles before picking.
She picked the marbles based on their color.
She picked the marbles from the top of the bag.
Tags
CCSS.HSS.IC.B.3
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does the number generator at the airport ensure a random sample?
It selects people who arrive early.
It selects people based on their appearance.
It selects people who have traveled frequently.
It uses a random number generator to select individuals.
Tags
CCSS.HSS.IC.B.3
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is Dahlia's survey of only first graders not a random sample of the school?
She included students from all grades.
She only surveyed first graders.
She surveyed teachers as well.
She used a random number generator.
Tags
CCSS.HSS.IC.B.3
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is the biologists' study of 37 out of 47 ponds considered not biased?
They studied all the ponds.
They only studied the ponds closest to the lake.
They randomly selected a large number of ponds.
They chose the ponds based on their size.
Tags
CCSS.HSS.IC.B.3
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