How to determine the size of a sample

Author: Paul Harris

Abstract:

How should I decide on the sample size for a survey? That is a question often posed by survey researchers to statisticians. It is difficult to answer simply as in market research we carry out surveys which more often than not carry a large number of different questions. There may be questions which are more important than others and hence need to be answered with a higher level of precision. A good starting point therefore is to consider the most important item to be measured by a proposed survey. For the moment we will assume that the survey is to be carried out using a Simple Random Sample and that the survey result is a percentage.

Paul Harris

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Sample size

Catalogue: Radio Research Symposium 1995

Author: Ken Purdye

 

July 1, 1995

Research Papers

Research Papers

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