Unit 2 Practice Test
Quiz
•
Mathematics
•
12th Grade
•
Practice Problem
•
Hard
+2
Standards-aligned
Deanna Madison
Used 7+ times
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28 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
A random number table is used to select 30 students from a large college statistics class to rate a statistics video on a scale from 1 to 5.
These 30 students are
the sampling frame.
the population.
a simple random sample of the class.
a census.
a voluntary response sample.
Tags
CCSS.7.SP.A.1
CCSS.HSS.IC.A.1
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
A random number table is used to select 30 students from a large college statistics class to rate a statistics video on a scale from 1 to 5.
The ratings are used to estimate the how the entire class would rate the video.
The average of the ratings of all students in the class is
a population parameter.
a convenience sample.
a census.
the population.
a statistic that is an unbiased estimate of the class rating.
Tags
CCSS.7.SP.A.1
CCSS.HSS.IC.A.1
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
After the NBA labor dispute was resolved on January 6, the Gallup Poll questioned 671 people, "How much have you missed watching NBA basketball since the dispute started?" 60% said "Not at all."
Gallup reports this result margin of error is ±4 percentage points.
This means that
we can be 95% confident that between 56% and 64% of all adults did not miss watching NBA games.
we can be certain that between 56% and 64% of all adults did not miss watching NBA games.
exactly 60% of adults did not miss watching NBA games.
we are 95% confident that between 58% and 62% of all adults did not miss watching NBA games.
95% of all the possible samples will fall between 56% and 64%.
Tags
CCSS.HSS.IC.B.4
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
A major retailer wants to test-market bed & bath items designed by a famous fashion designer. It has over 1500 shops nationwide - located in downtown shopping centers, in suburban malls, and in smalltown stand-alone storefronts.
The retailer tests the product line each area: 10% downtown, 10% suburbs, and 5% smalltown stores.
What type of sampling method did the retail chain use?
Simple random
Systematic sample.
Convenience sample.
Cluster sample.
Stratified sample.
Tags
CCSS.HSS.IC.B.3
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Which of the following is not a source of bias in sample surveys?
non-response
wording of questions
voluntary response
use of a telephone survey
all are sources of bias
Tags
CCSS.HSS.IC.B.3
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
The University of Georgia reports that 85% of the students have parking on campus.
The student newspaper published an online survey to ask students,
"Do you have student parking on campus?"
Of the 136 students who responded, 63% said "Yes."
Which % is the statistic, and which % is the parameter?
63% is the statistic, and
85% is the parameter.
63% is the parameter,
and
85% is the statistic.
Both
63% and 85%
are statistics.
Both
63% and 85%
are parameters.
Tags
CCSS.HSS.IC.B.3
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
The University of Georgia reports that 85% of the students have parking on campus.
The student newspaper published an online survey to ask students,
"Do you have student parking on campus?"
Of the 136 students who responded, 63% said "Yes."
The newspaper poll does not give a trustworthy estimate of student opinion because there is
bias due to nonresponse
bias due to undercoverage
bias due to the suggestive wording of the question.
bias due to relying on voluntary response.
Tags
CCSS.HSS.IC.B.3
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