A simple random sample of size 20 is drawn from a population that is known to be

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A simple random sample of size 20 is drawn from a population that is known to be normally distributed. The sample variance, $s^{2}$, is determined to be 12.8 . Construct a $90 \%$ confidence interval for $\sigma^{2}$.

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Statistics Informed Decisions Using Data

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Authors: Michael Sullivan

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Question Posted: Mar 29, 2024 10:00 PM

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A simple random sample of size 20 is drawn from a population that is known to be

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