Answer:
The mean is 7.8
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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