dollar wrote:I have noticed that a "good" GPA in maths is 3.9+ whereas a "good" gpa in most other sciences is quite a bit lower , say 3.6+. What is the reason for that?
In most other sciences, it is easier to have done significant research as an undergrad. As such, GPA and GRE matter much less. I was explicitly told after publishing a couple of papers in analytical biochemistry that if I wanted to go to grad school in that field, my majors/GPA/GRE were of little to no importance even for top schools.
In math, it is much more difficult to do original research as an undergrad, and even when done, adcoms are left wondering
how much was your contribution and how much your advisor's. As such, GRE and GPA are given a little more weight.
Essentially, in the sciences, given significant undergrad research, GPA is no longer predictive of grad school success above a particular point. However, since it's much harder to do significant undergrad research in math, GPA remains an important data point for adcoms.
p.s. As a former scientist and now budding mathematician, I don't strictly consider math a science, but that's another discussion entirely