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Find the mean of the first seven natural even numbers.

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Given data is 2, 4, 6, 8, 10, 12, 14.
`" "therefore "Arithmetic mean(AM)" = ("Sum of observations")/("Total number of observations")`
`" " = (2+4+6+8+10+12+14)/(7) = (56)/(7) = 8`.

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