| 词汇 | standard deviation |
| 释义 | standard deviationWord family noundeviancedeviantdeviationdeviationismdeviationistdeviatoradjectivedeviatoryverbdeviate Statistics ˌstandard deviˈation noun [countableC] technicalHMS a number in statistics that shows by how much members of a mathematical set can be different from the average set 〔统计学上的〕标准差 Examples from the Corpus standard deviation• Mean and standard deviation of normally distributed results are shown; otherwise median and range are given.• The distribution remains normal but the standard deviation decreases as the square root of n, the sample size.• The standard deviation of the estimate of, B is calculated as follows: therefore, the standard deviation is:. From Longman Business Dictionary standard deviationˌstandard deviˈation [countableC]STATISTICS a number that shows how widely members of a mathematically related group vary from the average → deviationVolatility as measured by the standard deviation of daily stock price movements has frequently been much higher than it is today. |
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