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Mean is a measure of central tendancy. It tells us how things look in the middle of a number set. Another word for mean is average. To find the mean, add all the numbers up and divide by how many numbers you added. For example, the mean of 4, 6, 2, 9 would be (4 + 6 + 2 + 9)/4 21 / 4 = 5.25

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16y ago

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