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词汇 example_english_stratified-sample
释义

stratified sample

collocation in English

meanings of stratifyand sample


These words are often used together. Click on the links below to explore the meanings. Or, see other collocations with sample.
stratify
verb[T]
uk /ˈstræt.ɪ.faɪ/ us /ˈstræt̬.ə.faɪ/
to arrange the different parts of something in separate layers ...
See more at stratify
sample
noun[C]
uk /ˈsɑːm.pəl/ us /ˈsæm.pəl/
a small amount of something that shows you what the rest is or should ...
See more at sample


Examples of stratified sample


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.
The study is based on a stratifiedsample with an over-representation of risk cases.
The sample was selected using a two-stage stratifiedsample design.
We reviewed all cases aged 0-17 years (n=642), and a randomly selected stratifiedsample of 401 patients of all ages.
A stratifiedsample of one in three finance officers was then interviewed in more depth by telephone.
The final scale has 24 items, and was tested using a stratifiedsample of 1,275 subjects aged 40-75 years.
A stratifiedsample of 40 older people was recruited.
Income statistics for the stratifiedsample reveal some significant changes (also in table 2).
To this point, there has been ample research on be like, but none has been based on a large-scale socially stratifiedsample from a single, cohesive, speech community.
The students were distributed across a stratifiedsample of ninety-seven secondary schools, both public and private, with the probability of school selection being proportionate to size.
A stratifiedsample of 5362 single, legitimate births was taken, from the original population of 13,587 births, for a follow-up study that has continued to the present day.
It has a technical name which is a "random stratifiedsample".
From the
Hansard archive

Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0
It was not a stratifiedsample.
From the
Hansard archive

Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0
A cheaper method would be to use a stratifiedsample with urban and rural strata.
From
Wikipedia

This example is from Wikipedia and may be reused under a CC BY-SA license.
With few observations per reporting period and many scheduling constraints, a true stratifiedsample is not possible.
From
Wikipedia

This example is from Wikipedia and may be reused under a CC BY-SA license.
We should not strive after random cross-sections or stratified samples but should work at a very detailed level with small culturally and biologically defined communities.
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.
Want to learn more?
Go to the definition of stratify
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