Scientific and Statistical Terms

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Percentage

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a part of a whole, a proportion out of 100

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Percentage change

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a calculation of the degree of change in a value over time

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Measures of central tendency

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a category of statistics that describes the central value of a set of data

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Mean

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a statistic that is the average value of a set of data

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Median

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the middle value in an ordered set of data

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Mode

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the value that occurs most frequently within a set of data

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Measures of variability

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a category of statistics that describe the distribution of data

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Standard deviation

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a statistic that shows the spread of the data around the mean

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Table

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a way to display data and/or summary statistics clearly

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Line graph

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a way to display numerical and continuous data