Margin of Error
Authored by Jessica Knight
Mathematics
9th - 11th Grade
CCSS covered
Used 1+ times
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13 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A recent survey found that out of 400 random American adults, 89% pay their bills on time. The margin of error in this survey was 2%. What is the interval of values in which the truth is likely found?
89% - 91%
87% - 89%
87% - 91%
388 - 402
Tags
CCSS.HSS.IC.A.1
CCSS.HSS.IC.B.4
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is a sample of 1000 people better than a sample of 100 people?
It reduces the margin of error.
It decreases bias.
Having more people is always better.
More people means that our results are more accurate.
Tags
CCSS.HSS.IC.A.1
CCSS.HSS.IC.B.4
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Find the area of the shaded region.
16%
84%
68%
34%
Tags
CCSS.HSS.ID.A.4
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
You have a mean of 56 and a standard deviation of 4.3. What is +2 standard deviations from the mean?
60.3
47.4
51.7
64.6
Tags
CCSS.HSS.ID.A.4
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Frannie and Fiona collect data comparing students' GPA and how many hours per week they spend doing extracurricular activities. This is best described as a(n)
observational study
matched pairs design
experiment
survey
Tags
CCSS.HSS.IC.B.3
6.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
A study by the department of education in a certain state found that there was a mean SAT score of 534 with a margin of error of 20.
Which score(s) would fall outside the confidence interval?
505
530
550
558
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A study was commissioned to find the average water bill of a particular town.
The confidence interval created was between $44-$56.
What was the margin of error?
$4
$50
$6
$12
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