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| almanac |
a compendium of astronomical and meteorological statistics and projections. [1/3 definitions] |
| correlation |
in statistics, the degree to which two or more attributes or quantities increase or decrease together. [1/3 definitions] |
| covariance |
in statistics, a measure of how two variables are related, equal to the product of the deviation of each variable from its mean. In positive covariance, the two variables (such as temperature and air conditioner use) are directly related and follow the same trend. In negative covariance, the two variables (such as temperature and heater use) are inversely related and follow opposite trends. |
| covariation |
in statistics, correlated variation of two or more variables. |
| decile |
in statistics, any of the values that divide a frequency distribution into ten groups of equal frequency, or any one of these groups. |
| dispersion |
in statistics, the spread or scattering of data, usu. around some middle point or value. [1/4 definitions] |
| extrapolate |
in statistics, to estimate or infer (a value) on the basis of values tabulated or observed. [1/3 definitions] |
| mode1 |
in statistics, the value appearing most often in a set of values or data. (Cf. mean, median.) [1/4 definitions] |
| percentile |
in statistics, any one of one hundred equal-sized groups into which a great number of test scores or other data are divided for the purpose of ranking. |
| probability |
in statistics, a number expressing the degree of likelihood of an occurrence. [1/3 definitions] |
| random |
in statistics, of or pertaining to an event that does not have the same result each time it occurs. [2/4 definitions] |
| statistical |
of, concerning, or using statistics or the types of mathematical analyses that provide numerical information of a type that allows testing of a hypothesis. |
| variance |
in statistics, a measure of the divergence of a set of data from the average value, derived as the mean of the squares of the deviations of individual values from the average. [1/7 definitions] |
| vital statistics |
statistics or data having to do with births, deaths, marriages, and other crucial events in human life. |
| yearbook |
an annually published book containing information, statistics, and historical data about the previous year. [1/2 definitions] |
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