Confidence Interval Standard Deviation and Variance

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)

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)

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)

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)

What is the standard deviation of the distribution shown in this image?

Mathematical Equivalence

ON

What is the standard deviation of the distribution?

• 1010

• 20

• 60

• √20

Click on the symbols that relate to standard deviations.

What is the left 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)

What is the left endpoint of the confidence interval for the STANDARD DEVIATION given a sample size of 7 and a sample standard deviation of 2.8 for the level of confidence .95? (3 decimal places)

What is the right endpoint of the confidence interval for the STANDARD DEVIATION given a sample size of 7 and a sample standard deviation of 2.8 for the level of confidence .95? (3 decimal places)