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Question: 545 let x xn be a random sample from...

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5.4.5. Let X,, , Xn be a random sample from an Mu,02), where the 19 value 01 σ-1s unknown (a) Construct a (1-0) 100% confidence interval for σ2, choosing an appropriate pivot. Interpret its meaning (b) Suppose a random sample from a normal distribution gives the following summary statistics: 21,

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