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Let1, 2, 3 be a sample of size 3 from a population with mean and variance^2. Consider the estimator=(1/3)(1+2)+(1/4)(3) a.Determine whetheris an unbiased estimator of

Let1, 2, 3 be a sample of size 3 from a population with mean and variance^2. Consider the estimator=(1/3)(1+2)+(1/4)(3)

a.Determine whetheris an unbiased estimator of

b.Calculate[]

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