A recent article stated that adding energy drinks to alcohol was associated with an elevated blood alcohol content compared to consuming alcohol without energy drinks in college students. Complete parts a and b below. a. Suppose this conclusion was based on a significance test comparing means. Defining notation in context, identify the groups and the population means and state the null hypothesis for the test. Identify the groups for the test. A. The two groups were students consuming energy drinks (Group 1) and students not consuming energy drinks (Group 2). B. The two groups were students consuming alcohol with energy drinks (Group 1) and students just consuming alcohol (Group 2). C. The two groups were alcoholic drinks mixed with energy drinks (Group 1) and alcoholic drinks without energy drinks (Group 2). D. The two groups were students consuming alcohol (Group 1) and students not consuming alcohol (Group 2).