Answer:
5.375
Step-by-step explanation:
The mean of average represents [tex]\frac{sum -of-all-numbers}{total-numbers}[/tex]. We see that there are a total of 8 numbers, so: [tex]\frac{3+7+12+9+3+6+2+1}{8}=\frac{43}{8} =5.375[/tex]
