2] Find the values of X, Y, and Z. (3+1)X-3Y+(2+i)Z = 3+4i 2X+Y-Z=2+i 3X + (1+i)Y - 4Z = 5 + 2i

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A: Please see the below picture for detailed solution.

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Q: 9.57 Refer to Exercise 9.18. Is the estimator of o² given there an MVUE of o²?

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A: 11790 round of to nearest 10s And hundreds??

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A: