what is the mean of 1st n natural numbers
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natural numbers are those numbers which starts from 1
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mean = sum of observation / total number of observation
mean = 1+2+3+…+n / n
mean = n(n+1)/2n
mean = (n+1)/2
mean = 1+2+3+…+n / n
mean = n(n+1)/2n
mean = (n+1)/2
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