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Confidence Interval Standard Deviation and Variance
Authored by Anthony Clark
Mathematics
12th Grade
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19 questions
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1.
FILL IN THE BLANKS QUESTION
1 min • 1 pt
What is the left endpoint of the confidence interval for the VARIANCE given a sample size of 16 and a sample standard deviation of 3 for the level of confidence .98? (3 decimal places)
(a)
2.
FILL IN THE BLANKS QUESTION
1 min • 1 pt
What is the right endpoint of the confidence interval for the VARIANCE given a sample size of 16 and a sample standard deviation of 3 for the level of confidence .98? (3 decimal places)
(a)
3.
FILL IN THE BLANKS QUESTION
1 min • 1 pt
What is the right endpoint of the confidence interval for the VARIANCE given a sample size of 10 and a sample standard deviation of 4.2 for the level of confidence .80? (3 decimal places)
(a)
4.
FILL IN THE BLANKS QUESTION
1 min • 1 pt
What is the right endpoint of the confidence interval for the STANDARD DEVIATION given a sample size of 20 and a sample standard deviation of 4.6 for the level of confidence .99? (3 decimal places)
(a)
5.
MATH RESPONSE QUESTION
1 min • 1 pt
What is the standard deviation of the distribution shown in this image?
Mathematical Equivalence
ON
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the standard deviation of the distribution?
1010
20
60
√20
7.
HOTSPOT QUESTION
1 min • 1 pt
Click on the symbols that relate to standard deviations.
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