An unbiased statistic is one that
A)is closely approximated by a normal curve.
B)has the smallest variance.
C)is mound-shaped.
D)is nearly symmetric.
E)does not consistently tend to underestimate or to overestimate the value of a population characteristic.

Question

An unbiased statistic is one that ​
A)is closely approximated by a normal curve.
B)has the smallest variance.
C)is mound-shaped.
D)is nearly symmetric.
E)does not consistently tend to underestimate or to overestimate the value of a population characteristic.

Quizplus · Accepted Answer

An unbiased statistic is defined as a statistic that, on average, does not overestimate or underestimate the parameter it is estimating. This means that the expected value of the statistic is equal to the parameter it is intended to estimate, making choice E the correct definition of an unbiased statistic.

An Unbiased Statistic Is One That ​

An Unbiased Statistic Is One That