Random sample
Antonyms for "random sample" (16 found)
Adjective(6 words)
chemical samplenatural samplesystematic samplesystematic test sampleuncontrolled sampleunrepresentative sample
Noun(10 words)
biasedbiased samplecensus-basedcraft exemplarnonrandomnonrandom samplereference samplereference setresearch corpussystematic