Respuesta :

Answer:

The mean is 7.8

Step-by-step explanation:

Add all the numbers up

5+9+7+12+9+12+5+5+9+5=78

Then divide the number you get from adding them all up and divide that number by the total numbers

78 ÷ 10 = 7.8

Hope this helps:)....if not then sorry for wasting your time and may God bless you:)

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