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• (statistics) the selection of a suitable sample for study

  domain topic	statistics
  hypernym	choiceoptionpickselection
  hyponym	proportional samplingrandom samplingrepresentative samplingstratified sampling

• measurement at regular intervals of the amplitude of a varying waveform (in order to convert it to digital form)

  domain topic	telecomtelecommunication
  hypernym	measuremeasurementmeasuringmensuration

• items selected at random from a population and used to test hypotheses about the population

  synonym	samplesample distribution
  domain topic	statistics
  hypernym	distributionstatistical distribution
  hyponym	acceptance samplingproportional samplerandom samplerepresentative samplestratified sample