Sufficiency, Minimal Sufficiency, and the Lack Thereof.
FLORIDA STATE UNIV TALLAHASSEE DEPT OF STATISTICS
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This paper presents at an elementary level a unified presentation of concepts related to sufficiency and minimal sufficiency. Extensively discussed are techniques for showing in a particular statistical model that a given statistic is not sufficient or that a given sufficient statistic is not minimal. The applicability of these techniques is illustrated in three examples.
- Statistics and Probability