Let X₁,X₂,...Xₙ be a random sample from a distribution with density function
f(x,θ)= {(1/θ)e^(-x/θ), θ>0, if x>0}
and f(x,θ)= { 0, otherwise}
Show that X̅ = n⁻¹ ∑xᵢ is unbiased for θ.
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Expert's answer
2019-03-31T17:27:53-0400
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