
Unit 7 Test Confidence Intervals
Authored by Ronnie Green
Mathematics
9th - 12th Grade
CCSS covered
Used 11+ times

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30 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following changes to a study would result in a narrower confidence interval?
Tags
CCSS.HSS.IC.B.4
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
A 90% confidence interval for a population mean is determined to be 800 to 900. If the confidence is increased to 95% confidence while the sample statistics and sample size remain the same, the confidence interval
Tags
CCSS.HSS.IC.B.4
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following does NOT have an affect on the width of a confidence interval?
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When performing a test about the population proportion, what distribution would you need to use?
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
These symbols represent the mean and standard deviation for which of the following distributions?
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is NOT a parameter?
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The 90% interval for a statistics test was given by 72 +/- 7. What is the lower value of the interval?
Tags
CCSS.HSS.IC.B.4
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