Use technology to construct the confidence intervals for the population variance

sigmasquared2

and the population standard deviation

sigma.

Assume the sample is taken from a normally distributed population.

c=0.90

s=34

n=18

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Part 1

The confidence interval for the population variance is

(enter your response here,enter your response here).

(Round to two decimal places as needed.)

Part 2

The confidence interval for the population standard deviation is

(enter your response here,enter your response here).

(Round to two decimal places as needed.)