Respuesta :
Her average score for the 3 turns is 40 because you have to add all of the scores so -80 and -120 is -200 so add that to 320 and you get 120 divide that by 3 because she took 3 turns and you get 40
For the three turns, Sylvia`s average score was 40 points.
AVERAGE VALUE
The average value represents a middle value and it can be calculated by the ratio between the sum of all values and the number of observations considered.
For this question, you have:
Values: -120, 320, -80
Number of observations: 3
Therefore,
[tex]Average\; value=\frac{-120+320-80}{3}=\frac{120}{3}=40[/tex]
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