If the data set encompasses an entire population, the arithmetic mean is called a [...]
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population mean.
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Subject 4. Measures of Center Tendency here n = the number of observations in the sample
Arithmetic Mean
The arithmetic mean is what is commonly called the average. The population mean and sample mean are both examples of the arithmetic mean.
<span>If the data set encompasses an entire population, 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.
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