Arithmetic Mean |
| The correct term for what most people call the 'average'. Often shortened to 'mean'. Calculated by adding up a series of values and dividing the total by the number of values. For example, 1+2+3+4+5+6+7=28. The mean is 28 divided by 7, which equals 4. The mean is in contrast to the mode and median, which are other measures of central tendency. |
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