Alg1 M14L1 Vocabulary - Measures of Center & Variation

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Measure of Center

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A statistical term that refers to the central point of a data set. Common measures include mean, median, and mode.

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Mean

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The average of a set of numbers, calculated by dividing the sum of all values by the number of values.

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Median

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The middle value in a list of numbers, which divides the data into two halves.

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Mode

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The value that appears most frequently in a data set.

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Outlier

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A data point that is significantly different from other data points in a data set.

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Measure of Variation

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A statistical term that describes the spread or dispersion of a set of data. Common measures include range and standard deviation.

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Range

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The difference between the highest and lowest values in a data set.

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Standard Deviation

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A measure of the amount of variation or dispersion in a set of values.

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Data Transformation

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 a procedure that uses a mathematical operation to change a
data set into a different data set.