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单词 statistic
释义
sta·tis·tic (stə-tĭstĭk)
n.
1. A numerical piece of information.
2. A calculated numerical value (such as the sample mean) that characterizes some aspect of a sample set of data, and that is often meant to estimate the true value of a corresponding parameter (such as the population mean) in an underlying population.
3. One viewed solely as a piece of statistical or numerical information: got laid off and became another statistic in the slumping economy.

[Ultimately from New Latin statisticus, of statecraft; see STATISTICS.]
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