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A sample of22items provides a sample standard deviation of5. (a) Compute the 90% confidence interval estimate of the population variance. (Round your answers to two

A sample of22items provides a sample standard deviation of5.

(a)

Compute the 90% confidence interval estimate of the population variance. (Round your answers to two decimal places.)

__________to_________

(b)

Compute the 95% confidence interval estimate of the population variance. (Round your answers to two decimal places.)

________to_________

(c)

Compute the 95% confidence interval estimate of the population standard deviation. (Round your answers to one decimal place.)

_____ to ________

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