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3 votes
The mean of this data is 8 what two numbers could go in the blanks

12,4,9,13,7,11,5,2,-,-

User Charline
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1 Answer

5 votes
12+4+9+13+7+11+5+2+_+_ /10= 8
x10 both sides

12+4+9+13+7+11+5+2+_+_=80
63+_+_=80
-63 both sides
_+_= 17
any two numbers that add up to 17 can go in the planks
7,10
User TorgoGuy
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