I was more satisfied with Test 2 than I was with Test 1
Overall the average was 76.5 with a median of 78 (meaning the class tilted slightly towards the higher end.
Compared to test one the average was 73.8 with a median of 75.
There were less low grades than there was last time, rather than more high grades among people who did well on Test 1. That accounts for the increase.