Approximate the Solution to

question 18

Multiple Choice

Approximate the solution to . Round to 3 decimal places.

• A)-0.632
• B)0.333
• C)1.164
• D)2.718
• E)0.222

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Definitions:

Biased Estimator

An estimator that, on average, does not equal the true parameter of the population, indicating a systematic error in estimation.

Population Parameter

A numerical value summarizing a characteristic of an entire population, such as mean or variance.

Efficient Estimator

An estimator that achieves the lowest possible variance among all unbiased estimators for a parameter of interest.

Random Sample

A sample drawn from a population in such a way that every individual has an equal chance of being selected, ensuring the sample's representativeness.