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OpenStudy (anonymous):
How do you find a populations mean?
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OpenStudy (amistre64):
\[\mu = \frac{\sum_{} x}{N}\]
OpenStudy (amistre64):
add up all the population values and divide it by the number of values in the population
OpenStudy (amistre64):
it really just the same for any average. 10+10+5+11 = 36 36/4 = 9 for the mean
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