4 decimals!

Application Exercise: A study was conducted using undergraduates at a rural university who volunteered to participate in the research as partial fulfillment of a course requirement. One of the items studied was the amount of alcohol consumed (in drinks) in any one day for the past month. Administrators hypothesize that juniors consume more alcohol than seniors. Based on the information in the table below, what can be concluded with an a of 0.05? juniors seniors A1 = 7.3 12 = 4.8 01 = 1.1 02 = 1.7 n1 = 9 n2 = 14