>>80734243if you make a bar graph out of the data, you'd end up with an M shape. this is called a "bimodal distribution" since you have two modes (the most often answer). if you tried to get an average, you'd just end up with an answer somewhere in the empty space in the middle. to avoid this, you use two averages, one to find each of the humps
looking at the data, the "low exposure" group had an average score of 0.9 while the "high exposure" group had an average of 6.1
