
Random Samples/Biased and Unbiased
Authored by Patrice Brown
Mathematics
7th Grade
CCSS covered
Used 2+ times

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13 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
To get valid results, a sample must be...
biased
unbiased
Tags
CCSS.HSS.IC.A.1
CCSS.HSS.IC.B.3
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
To determine how many students at Shull would attend the dance, the principal surveyed the students in Ms. Miller's math class. 10 students said they would attend and 15 said they would not attend. It can be concluded that half the students at Shull will attend the dance. Is this conclusion valid? Why or why not?
Yes, this is a simple random sample. So the sample is unbiased.
No, this is a convenience sample. So the sample is unbiased.
No, this is a voluntary response sample. So the sample is biased.
No, this is a convenience sample. So the sample is biased.
Tags
CCSS.HSS.IC.A.1
CCSS.HSS.IC.B.3
CCSS.HSS.IC.A.2
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A sample should be
Tags
CCSS.7.SP.A.1
CCSS.7.SP.A.2
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
_______ is a part of a group being surveyed.
Tags
CCSS.7.SP.A.1
CCSS.7.SP.A.2
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
_________ is a sample in which each individual or object in the entire population has an equal chance of being selected.
Tags
CCSS.7.SP.A.1
CCSS.7.SP.A.2
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
_______ is the entire group of objects or individuals considered for a survey.
Tags
CCSS.7.SP.A.1
CCSS.7.SP.A.2
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
True or False: all samples lead to a good prediction about an entire population.
Tags
CCSS.7.SP.A.1
CCSS.7.SP.A.2
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