Who's to say that the 36% one is not a potentially misleading stat? Assuming the 18%/20% stats are correct, it is a 34.4% success rate from the 18% and 20% sta

Who's to say that the 36% one is not a potentially misleading stat? Assuming the 18%/20% stats are correct, it is a 34.4% success rate from the 18% and 20% stat. The 36% stat may not be out of the realm of possibility with the difference in values here - there may be context missing from all the numbers cited here. They don't seem to disagree with each other significantly though.