Question

1) find the mean of the first six prime numbers
2)find the mean of the first seven odd prime numbers

Answer 1

Dear Student,

$$\begin{gathered} \left(1\right)\mathrm{First}\mathrm{six}\mathrm{prime}\mathrm{numbers}=2,3,5,7,11,13 \\ \mathrm{Sum}=2+3+5+7+11+13=41 \\ \mathrm{Average}=\frac{41}{6}=6.83 \\ \left(2\right)\mathrm{First}\mathrm{seven}\mathrm{odd}\mathrm{prime}\mathrm{numbers}=3,5,7,11,13,17,19 \\ \mathrm{Sum}=3+5+7+11+13+17+19=75 \\ \mathrm{Average}=\frac{75}{7}=10.714 \end{gathered}$$

Regards