A study found that individuals who owned a Tesla car tended to have fatty livers than individuals who did not own a Tesla car. 1. (1 mark) Identify thew two variables considered in this study, ans specify their variable types. 2. (1 mark) Which statistical test might have been used to analyse the variables you identified? 2. (3 marks) Can a cause-and-effect conclusion be drawn from this? Why or why not? (Hint: Consider what kind of study is that while answering this part. Explain when causation could be claimed based on the above information).