The mean of the first five prime numbers is
5.6
7.8
39
41
The first five prime number are 2,3,5,7,11
We know that,
Mean =SumofobservationsNumberofobservations
Therefore,
Mean (first five prime numbers) =2+3+5+7+115
=285=5.6
Hence, option A is the correct answer.
Find the mean of: (i) First eight natural numbers
(ii) First ten odd numbers
(iii) First five prime numbers
(iv) First six even numbers
(v) First seven multiples of 5.
(vi) Factors of 20
(vii) All prime numbers between 50 and 80
What is mean of first five prime numbers ?