Question

find the mean of first ten prime no.

Answer 1

first ten prime number is 2, 3, 5, 7, 11, 13, 17, 19, 23, 29
total no of observation is 10
mean = sum of all observation / total number of observation
mean =2+3+5+7+11+13+17+19+23+29/10
129/10
12.9



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Answer 2

The first ten prime numbers are 2,3,5,7,11,13,17,19,23,29.
We know,
Mean = Total of all values/ No. of values.
So here,
Mean = (2+3+5+7+11+13+17+19+23+29)÷10
= 129 / 10
= 12.9
So, Ans : 12.9