Question

Use technology to construct the confidence intervals for the population variance o^2 and the population standard...

Use technology to construct the confidence intervals for the population variance o^2 and the population standard deviation o. Assume the sample is taken from a normally distributed population.

c=0.95, s^2= 20.25 n=28

The confidence interval for the population variance is (___,___) (Round to two decimal places as needed.)

The confidence interval for the population standard deviation is(___,___) (Round to two decimal places as needed.)

Math   Statistics-And-Probability   
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Answer #1

From the output,

The 95% confidence interval for variance is, (12.66, 37.52)

The 95% confidence interval for standard deviation is, (3.56, 6.13)

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