Chapter One
Introduction
General Outline
This book deals with
sample surveys that can be conceptually divided into two broad
categories. In
descriptive surveys, certain, usually few, population characteristics
need to be precisely and efficiently estimated. For example, in a business survey,
the average salaries for different occupational groups are to be estimated on the
basis of a sample of business establishments.
Statistical efficiency of the sampling
design is of great importance.
Stratification and other means of using
auxiliary
information, such as the sizes of the establishments, can be beneficial in sampling
and estimation with respect to efficiency. Inference indescriptive surveys concerns
exclusively a fixed population, although superpop ...
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