Sampling definition
/What is Sampling?
Sampling is a technique used to arrive at a conclusion about a population by selecting and examining a small proportion of that population. The number of items to sample is determined via a statistical analysis, with samples being selected on either a random or systematic basis. The intent is to arrive at a representative sample that reflects the characteristics of the population from which the sample is drawn.
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How Sampling is Used in Auditing
Auditors use sampling to verify financial record information, as part of their process of rendering an opinion about a client's financial statements. This is a key auditing tool, since it allows an auditor to complete an audit in a cost-effective manner that might otherwise not be possible without charging a much higher audit fee to the client.
How Sampling is Used in Marketing
Sampling of a targeted customer group can be used to learn more about the needs and preferences of prospective buyers.
How Sampling is Used in Polling
Sampling is used by pollsters to extrapolate the opinions of a small group to an entire population.
How Sampling is Used in Quality Assurance
Sampling is used within the quality assurance function to determine whether a product batch is within its design parameters.