Bess7iemarrialayan
Bess7iemarrialayan Bess7iemarrialayan
  • 16-09-2016
  • Mathematics
contestada

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

Respuesta :

faizu
faizu faizu
  • 18-09-2016
mean = sum of the observations
            --------------------------------
              number of observations 
=> -3 + (-8) + 12 +(-15)+ 9
    -----------------------------------
                  5
=>  mean = -1 ..

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