find the mean of first 10 prime numbers
First ten prime no's = 2,3,5,7,11,13,17,19,23,29
Total number of observations = 10
Mean = Sum of all Observations / Total number of Observations
= 2 + 3 + 5 + 7 + 11 + 13 + 17 + 19 + 23 + 29
10
= 129 / 10 = 12.9
Hope it helps... :)
Cheers.. B