Question

Mean if first 10 natural number

Answer 1

No. of terms = 10

Mean = Sum of all terms/n = (1+2+3+4+5+6+7+8+9+10)/10 = 55/10 = 5.5

Answer 2

First 10 natural numbers are 1,2,3,4,5,6,7,8,9 and 10.
Their sum = 55
Mean = Sum of observations / No.of observations
   = 55/10 = 5.5
Answer = 5.5
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