Given data:
The given numbers are 43,79,15,7,38,37,23 and 65.
The expression for the mean of the data is,
[tex]\begin{gathered} m=\frac{43+79+15+7+38+37+23+65}{8} \\ =\frac{307}{8} \\ =38.375 \\ \approx38.4 \end{gathered}[/tex]Thus, the mean of the given numbers is 38.4.