The Efficiency of Any Estimator Can Be Improved By________

question 6

Multiple Choice

The efficiency of any estimator can be improved by________.

• A) increasing the sample size.
• B) decreasing the sample size.
• C) making the sample representative.
• D) changing the sample.

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Definitions:

Representative Sample

A subset of a population that accurately reflects the members of the entire population.

Self-administered Questionnaires

Surveys or questionnaires that individuals complete on their own without interviewer guidance or interference.

Face-to-face Interviews

A method of quantitative or qualitative research where questions are asked directly to respondents in person, facilitating immediate and personalized responses.

Stamped Self-addressed Envelope

An envelope with the sender's name and address on it, provided with postage, and used for the purpose of receiving a reply or document.