Worksheet 1

1: He’s not randomly assigning car color, so his study is not a true experiment and he will not be able to conclude that car color affects speed.

2: Use the Variable Types app on ewyner.com to view the relationship between the variables.

3: Use the Variable Types app on ewyner.com to try out different variables.

4: Put down something thet makes sense based on your own opinion and/or experiences.