Confidence Intervals &Hypothesis Test Review
12th Grade
•50 Qs
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Confidence Intervals &Hypothesis Test Review
Quiz
•
Mathematics
•
12th Grade
•
Medium
+4
Standards-aligned
Melissa Matter
Used 15+ times
FREE Resource
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50 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
An IQ test was given to a simple random sample of 75 students at a certain college. The sample mean score was 105.2. Scores on this test are known to have a standard deviation of 10. It is desired to construct a 90% confidence interval for the mean IQ scores of the students at the college.
What is the point estimate?
75
105.2
10
0.90
Tags
CCSS.HSS.IC.A.1
CCSS.HSS.IC.B.4
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
An IQ test was given to a simple random sample of 75 students at a certain college. The sample mean score was 105.2. Scores on this test are known to have a standard deviation of 10. It is desired to construct a 90% confidence interval for the mean IQ scores of the students at the college.
Find the critical value.
0.90
1.155
1.645
±1.645
Tags
CCSS.HSS.IC.A.1
CCSS.HSS.IC.B.4
CCSS.HSS.ID.A.4
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
If the 95% Confidence Interval for a population mean is (114.56, 125.54), then is it likely that the true population mean µ is greater than 130?
Yes
No
Not enough information
I have no idea what you're asking of me
Tags
CCSS.HSS.IC.A.1
CCSS.HSS.IC.B.4
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Find the Critical Value for an 86% Confidence Level.
-1.48
1.48
1.282
-1.47
Tags
CCSS.HSS.ID.A.4
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
You are given two sets of data measuring the same information, both with the same sample size. Set A has a larger Standard Error than Set B. If you were looking for a 99.8% Confidence Interval, which set would have a larger Margin of Error?
Set A
Set B
Not enough information
I have no idea what you're asking me to do
Tags
CCSS.HSS.IC.B.4
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
True or False:
The more confident you want to be, the smaller your confidence interval will be.
True
False
Tags
CCSS.HSS.IC.A.1
CCSS.HSS.IC.B.4
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
True or False:
The larger your confidence interval is, the more sure (higher confidence level) you can be.
True
False
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