Write a corresponding null and alternative hypothesis for each research question below. Include clearly defined independent and dependent variables (measures) along with the expected relationship between them. What might be some potential confounds that you want to avoid with each research question/hypothesis in mind? How might you actively work to avoid these concerns within your study?

Question One:

Can cannabis help with health issues in cancer patients?

The dangers of marijuana and can cause cancer from smoking similar to smoking cigarettes.

Question Two:

Do more African Americans die from the hands of polices than other nationalities?

White people are equally as likely to get killed by the police as African Americans.

Question Three:

How often do seat belts cause hindrances during accidents and result in death?