Question: Find the 90% and 95% confidence intervals for the population variance and standard deviation of the medicine weights. a. Find the critical values X R

Find the 90% and 95% confidence intervals for the population variance and standard deviation of the medicine weights.

a. Find the critical values XR2 and XL2 for each confidence interval.

b. Use n, s, XR2 and XL2 to find the left and right endpoints for each confidence interval for the population variance.

c. Find the square roots of the endpoints of each confidence interval.

d. Specify the 90% and 95% confidence intervals for the population variance and standard deviation.

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