Answer:
YOU ADD AND DIVIDE FOR THE MEAN
Explanation:
add 20 + 20 + 20 + 22 + 22 + 24 + 26 + 26 + 26 equaling to = 206
divide by 9 equaling to = 22.88
The mean of a set of numbers is the sum divided by the number of terms.
Answer: 22.9
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