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  3. let x1, x2,x3,and x4 be a random sample from popul

Let x1, x2,x3,and x4 be a random sample from population with normal distribution with mean ?...

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Statistics

Let x1, x2,x3,and x4 be a random sample frompopulation with normal distribution with mean ? and variance ?2 .Find the efficiency of T = 17 (X1+3X2+2X3 +X4) relative to

x= x/4 , Which is relatively more efficient? Why?

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