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