
Margin of Error
Authored by Jon Stanford
Mathematics
11th Grade
CCSS covered
Used 25+ times

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7 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
A survey was given to a random sample of voters in the United States to ask about their preference for a presidential candidate. The percentage of people who said they preferred Candidate A was 66%. The margin of error for the survey was 5%. Which of the following is a reasonable value for the actual percentage of the population that prefers Candidate A?
59.6%
72.9%
60%
70.8%
Tags
CCSS.HSS.IC.B.4
2.
FILL IN THE BLANK QUESTION
1 min • 1 pt
A survey was given to a random sample of voters in the United States to ask about their preference for a presidential candidate. The survey reported a confidence interval that between 30.5% and 35.5% of the population preferred Candidate A. What is the margin of error on the survey? Do not write ± on the margin of error.
Tags
CCSS.HSS.IC.B.4
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A survey was given to a random sample of voters in the United States to ask about their preference for a presidential candidate. The percentage of people who said they preferred Candidate A was 20%. The margin of error for the survey was 3.5%. Which of the following is a reasonable value for the actual percentage of the population that prefers Candidate A?
24.5%
14.9%
17.9%
24%
Tags
CCSS.HSS.IC.B.4
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A survey was given to a random sample of voters in the United States to ask about their preference for a presidential candidate. The percentage of people who said they preferred Candidate A was 55%. The margin of error for the survey was 4.5%. Which of the following is not a reasonable value for the actual percentage of the population that prefers Candidate A?
51.3%
58.2%
57.5%
48.7%
Tags
CCSS.HSS.IC.B.4
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A study was commissioned to find the mean weight of the residents in certain town. The study found the mean weight to be 156 pounds with a margin of error of 6 pounds. Which of the following is not a reasonable value for the true mean weight of the residents of the town?
159.5
148
161.2
151.5
Tags
CCSS.HSS.IC.B.4
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A survey was given to a random sample of voters in the United States to ask about their preference for a presidential candidate. The percentage of people who said they preferred Candidate A was 73%. The margin of error for the survey was 4%. Which of the following is a reasonable value for the actual percentage of the population that prefers Candidate A?
67.5%
77.7%
78.8%
69.7%
Tags
CCSS.HSS.IC.B.4
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A study was commissioned to find the mean weight of the residents in certain town. The study found the mean weight to be 198 pounds with a margin of error of 9 pounds. Which of the following is a reasonable value for the true mean weight of the residents of the town?
190.5
211.1
207.8
187.5
Tags
CCSS.HSS.IC.B.4
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