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Question
Find the mean of: first six even natural numbers
Solution
The first six even natural numbers are 1 = 2, 4, 6, 8, 10, 12
∴ Sum of these observations = 2, 4, 6, 8, 10, 12 = 42
and, number of their observations = 6
∴ Required mean = `42/6 = 7`
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