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Mathematics 18 Online
OpenStudy (rainbow_dashie):

Find the mean of this set of numbers. 7, –9, 6, –10, –13, –5

OpenStudy (anonymous):

pretty sure it's -19.83

OpenStudy (anonymous):

-4?

geerky42 (geerky42):

Add all element of this set, then divide it by the number of elements this set has. This is what mean is. (arithmetic mean)

geerky42 (geerky42):

It is -4

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