What is the arithmetic mean (average) of 2, 4, 6, 8, 10, and 12?

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What is the arithmetic mean (average) of 2, 4, 6, 8, 10, and 12? Answer: 7

The arithmetic mean of a set of numbers is found by adding all the numbers together and then dividing by the total count. For the numbers 2, 4, 6, 8, 10, 12, the sum is 42, and dividing by 6 gives a mean of 7.