Englishfor English speakers
variance
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noun
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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noun
an official dispensation to act contrary to a rule or regulation (typically a building regulation)
a zoning variance
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noun
(= variation)
an activity that varies from a norm or standard
any variation in his routine was immediately reported
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noun
(= division)
discord that splits a group
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noun
(= discrepancy)
an event that departs from expectations
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noun
(= variability)
the quality of being subject to variation
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noun
(= divergence)
a difference between conflicting facts or claims or opinions
a growing divergence of opinion
covariance
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noun
(statistics) the mean value of the product of the deviations of two variates from their respective means
matrix
Noun
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A matrix is the situation or conditions in which something else develops or forms.
Within the diverse school matrix, it is likely that there are major differences.
Students need an understanding of literature within a larger matrix of relationships, influences, and effects.
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A matrix is a grid.
Table 2 presents the correlation matrix among the groups and results.
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A matrix is a set of numbers in rows and columns.