| a printed punctuation mark (‽), available only in some typefaces, designed to combine the question mark (?) and the exclamation point (!), indicating a mixture of query and interjection, as after a rhetorical question. |
| an arrangement of five objects, as trees, in a square or rectangle, one at each corner and one in the middle. |
statistic (stəˈtɪstɪk) ![]() | |
| —n | |
| sampling statistic estimator See also parameter any function of a number of random variables, usually identically distributed, that may be used to estimate a population parameter | |
statistics (stəˈtɪstɪks) ![]() | |
| —n | |
| 1. | (functioning as plural) quantitative data on any subject, esp data comparing the distribution of some quantity for different subclasses of the population: statistics for earnings by different age groups |
| 2. | (functioning as singular) |
| a. the classification and interpretation of such data in accordance with probability theory and the application of methods such as hypothesis testing to them | |
| b. descriptive statistics See also statistical inference the mathematical study of the theoretical nature of such distributions and tests | |
| [C18 (originally ``science dealing with facts of a state''): via German Statistik, from New Latin statisticus concerning state affairs, from Latin status | |
statistics (stə-tĭs'tĭks) Pronunciation Key
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The branch of mathematics dealing with numerical data. (See mean, median, mode, normal distribution curve, sample, standard deviation, and statistical significance.)
Note: A particular problem of statistics is estimating true values of parameters from a sample of data.