bellathescholar
bellathescholar bellathescholar
  • 04-02-2020
  • Mathematics
contestada

What is the mean of -15, -12,8, and 9?​

Respuesta :

belgrad belgrad
  • 04-02-2020

Answer:

mean = -0.25

Step-by-step explanation:

Explanation:-

mean:- The sum of all the observations and then divided the number of observations and it is denoted by 'μ'

given data is -15 , -12 , 8 and 9

Given observations is '4' so n = 4

[tex]mean= \frac{-15-12+8+9 }{4}[/tex]

[tex]mean= \frac{-27+17}{4}[/tex]

[tex]mean = -0.25[/tex]

The mean of given data is - 0.25

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