Question: A simple random sample of size n is drawn from a population that is known to be normally distributed. The sample variance, s squareds2, is

A simple random sample of size n is drawn from a population that is known to be normally distributed. The sample variance,

s squareds2,

is determined to be

11.611.6.

(b) Construct a 90% confidence interval for

sigma squared2

if the sample size, n, is 30.The lower bound is

enter your response here.

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