If X1, X2, X3 is a random sample taken from a population with mean ( and
variance (2, find which of the following estimators for ( are unbiased.
X1 + X2 + X3 X1 + 2 X2
X1 + 2X2 + 3X3
T1 = ---------------------- T2 = ------------------- T3 =
------------------------
3 3
3
Statistics Homework Solutions
#10792
Estimation Theory, Unbiased estimator
Estimation Theory, Unbiased estimator. Refer to attached.
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