Inactive Tutor answered • 01/14/18
Tutor
New to Wyzant
Mean = sum of numbers / total number of observations
sum of 1,2....n= n(n+1)/2
total no of observations= n
Mean = n(n+1)/2 n
= (n+1)/2
Kalpana D.
asked • 01/14/18Find the means of 1,2,3......n
What the means of 1,2,3.....n
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2 Answers By Expert Tutors
Inactive Tutor answered • 01/14/18
Tutor
New to Wyzant
The formula is (n+1)/2
It can be proven by induction.
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