单词	standard deviation
释义	standard deviationˌstandard deviˈation noun [countable] Examples EXAMPLES FROM THE CORPUS Mean and standard deviation of normally distributed results are shown; otherwise median and range are given. The standard deviation of the estimate of, B is calculated as follows: therefore, the standard deviation is:. The distribution remains normal but the standard deviation decreases as the square root of n, the sample size. word sets WORD SETS► Statistics bar chart, nounbar graph, nounBDI, beta coefficient, nouncluster analysis, control group, nouncurve, nounexpected value, face validity, factor, verbfactor analysis, factorize, verbfigure, noungraph, nounimputed value, line graph, moving average, plot, verbquartile, nounrandom walk, nounregression analysis, sampling, nounsampling fraction, nounsampling frame, nounsensitivity analysis, six sigma, nounstandard deviation, nounstatistic, nounstatistical process control, nounstatistical quality control, nounstatistician, nounstats, nounvital statistics, nounZ-score, noun technical a number in statistics that shows by how much members of a mathematical set can be different from the average set
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