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schepotkina [342]
3 years ago
10

Please help me with 1 & 3!

Mathematics
2 answers:
kiruha [24]3 years ago
7 0
On three does it tells you the data
dusya [7]3 years ago
4 0
They both added up all the numbers for each column and then divided by how many numbers there were in total. For example, 1 + 9 + 11 = 21. 21/3 (How many numbers there were added total) would average to 7.
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