A study was conducted using 139 students. One of the items studied was the maximun daily amount of alcohol consumed in the last month. Based on the data, are there differences between males and females in the maximum amount of alcohol consumed in any one day in the past month? Use alpha 0.5
sample mean 8.2 5.6
standard deviation 5.9 5.7
sample size 54 85
Detailed solution in xls format.