| 单词 | standard deviation |
| 释义 | standard deviation (once / 151530 pages) n WORD FAMILY standard deviation: standard deviations USAGE EXAMPLESThe shop is a place where seldom is heard a statistical term like “sampling error,” “standard deviation” or “cross-tabulation.” New York Times(Nov 06, 2016) Standard deviation is a statistical measurement of variation. Wall Street Journal(Oct 20, 2016) The error bars are the standard deviation of the total divided by the number of genes in each bin. Nature(Oct 18, 2016) n the square root of the variance Hyper variance the second moment around the mean; the expected value of the square of the deviations of a random variable from its mean value |
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