Answer: 20.88
Explanation:
Add up all numbers and divide by how many numbers there are.
First add up:
18+24+17+21+24+16+29+18=167
Now divide by how many numbers there are: in this case, 8.
167/8=20.875
Answer:
20.875
18+24+17+21+24+16+29+18=167/8=20.875
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