Bess7iemarrialayan Bess7iemarrialayan

16-09-2016
Mathematics

contestada

what is the mean of -3,-8,12,-15,9

Respuesta :

18-09-2016

mean = sum of the observations
--------------------------------
number of observations
=> -3 + (-8) + 12 +(-15)+ 9
-----------------------------------
5
=> mean = -1 ..

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