The mean of the numbers 5, 7, and 9 is what?

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Multiple Choice

The mean of the numbers 5, 7, and 9 is what?

Explanation:
Mean is the average value, found by adding all numbers and dividing by how many numbers there are. For 5, 7, and 9, the sum is 5 + 7 + 9 = 21. There are three numbers, so 21 ÷ 3 = 7. The numbers are evenly spaced, so the average also sits at the middle value, which is 7. Therefore, the mean is 7.

Mean is the average value, found by adding all numbers and dividing by how many numbers there are. For 5, 7, and 9, the sum is 5 + 7 + 9 = 21. There are three numbers, so 21 ÷ 3 = 7. The numbers are evenly spaced, so the average also sits at the middle value, which is 7. Therefore, the mean is 7.

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