If we look at Visualization, for example, U of Utah's average count is 14.6 which is the sum of adjusted counts of 10 faculty members, while UC Davis's 10.8 is

If we look at Visualization, for example, U of Utah's average count is 14.6 which is the sum of adjusted counts of 10 faculty members, while UC Davis's 10.8 is the sum of only 3 faculty members. So when a department has more people actively working in the area, its average count would often come up higher. It doesn't mean that the quality or the level of activity of each researcher is higher.