Answer:
12
Step-by-step explanation:
Mean is given by:
Mean= [tex]\frac{Sum of data}{Number of terms }[/tex]
Here Sum of data= 10+16+15+14+8+21+10+5+19+18+4+5+16+12+10+9
Sum of data= 192
And,
Number of terms= 16
So,
Mean= [tex]\frac{192}{16}[/tex]
Mean= 12