The variance
Example: Variance measures spread of data values around mean
Definition
"The variance" in research refers to a statistical measurement that quantifies the spread or dispersion of data points in a dataset around the mean value. It indicates how much individual data values differ from the average, helping to understand variability within the data.
Etymology
The term "variance" originates from the Latin word 'variant-', meaning 'changing' or 'varying.' It entered English in the 15th century, initially signifying difference or disagreement. In statistics, "variance" was adopted to describe the degree of variation within a set of numbers, reflecting its root meaning of change.
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"The variance" appears in the Vocaplus list "English - Research - (A1-C2) - set 1", containing 108 commonly used words.
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