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November 29, 2014 / C H Thompson

Representative sample

A representative sample is a smaller group taken from the population being surveyed. To make it representative the sample needs to cover a reasonable cross-section of the group being surveyed such a age, gender etc.

Sampling methods are the techniques used to select a representative sample such as random sample; systemic sample; stratified random sample; quota sample; snowball sample and multistage or cluster sample.

A sampling frame is a list of names of all those people included in the survey population from which the sample is sampling frameselected

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