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Meadow Braun
Mathematics
31 May, 07:06
5.2, 8.3, 8.5, 7.7, 7.8, y; mean = 7.1
+1
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Anton Greene
31 May, 07:09
0
You know that to find the mean you add all the numbers and divide by how many numbers there are. So work backwards.
add all the numbers you have=37.3
Since you divided by 6, do the opposite 7.1 x 6 = 42.6
Now subtract the difference = 42.6 - 37.3 = 5.5
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