Question: Please help with this question: 13. Let X1, X2, ..., Xn N (#, o?) where u is known and o? > 0. Derive a

Please help with this question:

13. Let X1, X2, ..., Xn " N (#, o?) where u is known and o? > 0. Derive a Wald statistic and a score statistic for testing Ho : 0? = 0 versus HA : 02 03, and write down the approximate (1 - a)-confidence regions associated with each, simplifying as much as possible

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