No association because the dots are just scattered all over the graph
Negative association would be when the dots are going toward downwards
Positive association would be when the dots are going toward upwards
If the teacher isn't putting the names back in the hat then it would be 1/21 if she is then 1/23
Answer c=12 bellow is a step by step explanation hope it helps
You can do this on a calculator if you search up online radius and height measurement calculator.