When the word "mean" is used without a modifier, it can be assumed to refer to the [...] .
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arithmetic mean
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Subject 4. Measures of Center Tendency ulation, the arithmetic mean is called a population mean. If the data set includes a sample of values taken from a population, the arithmetic mean is called a sample mean.
This is the most widely used measure of central tendency. <span>When the word "mean" is used without a modifier, it can be assumed to refer to the arithmetic mean. The mean is the sum of all scores divided by the number of scores. It is used to measure the prospective (expected future) performance (return) of an investment over a number of periods
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