Suppose that Y1,Y2Y, are a random sample. Suppose y and uy are both unbiased estimators of H y based on he sample. Which estimator you prefer, knowing that: [Hint: use relative efficiency] ΣΧ Var(X)= and X = %3D %3D Var(x)= N202 and u =nX %3D n Both are the same .a Not enough information .b is preferred X .c

MATLAB: An Introduction with Applications
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Suppose that Y1;Y2-Yn are a random
sample. Suppose y and uy are both
unbiased estimators of Hx based on
the sample. Which estimator you prefer,
knowing that: [Hint: use relative
efficiency]
Var(X)=
ΣΧ
and X
n202
Var(1x)=
and uy =nX
Both are the same .a
Not enough information .b
is preferred X .c
is preferred y .d
Transcribed Image Text:Suppose that Y1;Y2-Yn are a random sample. Suppose y and uy are both unbiased estimators of Hx based on the sample. Which estimator you prefer, knowing that: [Hint: use relative efficiency] Var(X)= ΣΧ and X n202 Var(1x)= and uy =nX Both are the same .a Not enough information .b is preferred X .c is preferred y .d
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