Respuesta :
The mean is 3 because if you add
5+1+1+9+1+2+2 it equals to 21, then divide by seven because there are seven numbers. So 21 divided by 7 is 3
5+1+1+9+1+2+2 it equals to 21, then divide by seven because there are seven numbers. So 21 divided by 7 is 3