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Avicenna

System Analysis and Design                     System Analysis

11

Other Fact-Finding Techniques

Sampling

Sampling is a process of systematically selecting representative elements of a population

Samples might include records, reports, operational logs, data entry documents, complaint summaries, work requests, and various types of forms

The reasons systems analysts do sampling are

Reduction of costs

Speeding up the data-gathering process

Improving effectiveness

Reduction of data-gathering bias

Main objective of a sample is to ensure that it represents the overall population accurately

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