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词汇 standard deviation
释义

Definition of standard deviation in English:

standard deviation

noun
Statistics
  • A quantity expressing by how much the members of a group differ from the mean value for the group.

    Example sentencesExamples
    • Mean values and standard deviations were calculated for all variables.
    • If no standard deviations were reported then we used the average standard deviation for all the remaining studies.
    • All costs are reported as mean values with standard deviations.
    • Each value is the mean standard deviation of at least four independent measurements.
    • Average values and standard deviations were then calculated for each of the compounds in the experiment.

Definition of standard deviation in US English:

standard deviation

nounˈstandərd ˌdēvēˈāSHənˈstændərd ˌdiviˈeɪʃən
Statistics
  • A quantity calculated to indicate the extent of deviation for a group as a whole.

    〔统计〕均方差,标准差

    Example sentencesExamples
    • All costs are reported as mean values with standard deviations.
    • Average values and standard deviations were then calculated for each of the compounds in the experiment.
    • Mean values and standard deviations were calculated for all variables.
    • Each value is the mean standard deviation of at least four independent measurements.
    • If no standard deviations were reported then we used the average standard deviation for all the remaining studies.
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