Mean - The mean is when all the numbers in the data set are added up all together , then divided by how many numbers are in the set.
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Median - The median is the middle number of the ascending ordered data set.
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Mode - The mode is the most occuring number in a set of data.
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Range - The range is when the lowest number in the ascending ordered data set is subtracted by the highest number of the data set.
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Measures of central tendancy Video.
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