> Remember "average" means you're already better than half the people
not really
not really
See e.g. https://onlinelibrary.wiley.com/doi/abs/10.1111/j.1744-6570....
It seems tough to take anything meaningful from that study, based on the job types it examined, and the tiny percentage of the workforce those jobs represent. Working in tech our job responsibilities are often quite fuzzy and performance is difficult to quantify.
PDF of article: http://www.hermanaguinis.com/PPsych2012.pdf