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单词 stratified sampling
释义

Definition of stratified sampling in English:

stratified sampling

noun
Statistics
  • A method of sampling in which a sample from a heterogeneous population is obtained by dividing the population into homogeneous subgroups and taking a sample from each.

Origin

1920s; earliest use found in Journal of the Royal Statistical Society.

Definition of stratified sampling in US English:

stratified sampling

noun
Statistics
  • A method of sampling in which a sample from a heterogeneous population is obtained by dividing the population into homogeneous subgroups and taking a sample from each.

Origin

1920s; earliest use found in Journal of the Royal Statistical Society.

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更新时间:2024/10/19 8:45:32