random sample
noun[C]
ukusMARKETING
agroupofpeople,data, etc. that ischosenfrom alargergroupwithout using anysystem,plan, orrule:
Thesurveyinterviewedarandomsampleof 850adults.
random sampling
noun[CorU]
Fraud iskeptdown byrandomsampling.
Examplesofrandom sample
random sample
It uses a stratifiedrandomsampletechnique and an oversample of non-marital births.
From
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Wikipedia
This example is from Wikipedia and may be reused under a CC BY-SA license.A simplerandomsampleis an unbiased surveying technique.
FromThis example is from Wikipedia and may be reused under a CC BY-SA license.
Wikipedia
This example is from Wikipedia and may be reused under a CC BY-SA license.Getting a high response rate (80%) from a small,randomsampleis considered preferable to a low response rate from a large sample.
FromThis example is from Wikipedia and may be reused under a CC BY-SA license.
Wikipedia
This example is from Wikipedia and may be reused under a CC BY-SA license.That is, the alleles in the offspring are arandomsampleof those in the parents.
FromThis example is from Wikipedia and may be reused under a CC BY-SA license.
Wikipedia
This example is from Wikipedia and may be reused under a CC BY-SA license.The statistical errors on the other hand are independent, and their sum within therandomsampleis almost surely not zero.
FromThis example is from Wikipedia and may be reused under a CC BY-SA license.
Wikipedia
This example is from Wikipedia and may be reused under a CC BY-SA license.That proportion is the parameter sought; the estimate is based on a smallrandomsampleof voters.
FromThis example is from Wikipedia and may be reused under a CC BY-SA license.
Wikipedia
This example is from Wikipedia and may be reused under a CC BY-SA license.In stratified sampling, arandomsampleis drawn from each of the strata, whereas in cluster sampling only the selected clusters are studied.
FromThis example is from Wikipedia and may be reused under a CC BY-SA license.
Wikipedia
This example is from Wikipedia and may be reused under a CC BY-SA license.This can be achieved by drawing arandomsamplefrom the original population at risk.
FromThis example is from Wikipedia and may be reused under a CC BY-SA license.
Wikipedia
This example is from Wikipedia and may be reused under a CC BY-SA license.A purerandomsampleis an inefficient method of collecting such data, but observations made sequentially can not be treated as independent observations.
FromThis example is from Wikipedia and may be reused under a CC BY-SA license.
Wikipedia
This example is from Wikipedia and may be reused under a CC BY-SA license.However, it is standard practice to assume that the sample mean from arandomsampleis normal, because of the central-limit theorem.
FromThis example is from Wikipedia and may be reused under a CC BY-SA license.
Wikipedia
This example is from Wikipedia and may be reused under a CC BY-SA license.These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors.
- within-reason
- within shouting distance
- within-shouting-distance
- within striking distance
- within striking distance
- within-striking-distance
- within your memory
- within-your-memory
- with it
- with-it
- with-last-dying-breath
- with might and main
- with-might-and-main
- with-no-thought-for
- with no thought for something
- with no thought for sth
- with-no-thought-for-sth
- with one accord
- with-one-accord
- with one voice
- with-one-voice
- with open arms
- with-open-arms
- without
- without a care in the world