You can't assume a normal distribution (not sure what you mean by standard curve). We actually have numbers of acceptances at each gpa and mcat score for md students published by the aamc. The two curves are not the same size as many more people apply md than do. You don't even have a y axis.
Please take a basic statistics class. If your do school doesn't provide one, you can supplement your education from mit courseware lectures.
I apologize for that. The first images I made were a standard distribution curve (i.e. standard curve) centered around 0 with positive and negative SDs, but two graphs were more easily displayed with the X axis as stats so I changed the image, but not the wording. I made it pretty clear that I was using just the mean and sd because we don't have all the data to accurately portray the distributions.
We only have stats for the MD side, not the DO side. Its not a perfect normal curve on the MD side, but we also have no reason to believe that it is on the DO side. If you remember, that's why I used a pretty broad range of 1/3-1/2, which you later criticized for being "huge". There's no way to know if the curves are similar or different, so going through the effort of plotting just the MD side without a similarly accurate DO side is about as useful as comparing two normal curves (so that's what I did).
The two curves aren't the same size, you're right, but that wouldn't change the % of overlap, it would only change the absolute number. Since we're talking about percents, its irrelevant, but its OK, keep trying to point out irrelevant issues unrelated to what we're talking about. It makes you sound all the more right after all
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The lack of a Y axis is because I just plotted it on a normal curve using the means and SDs to interpret visually. If it makes you feel better, the Y axis is percent, which would make them look relatively similar in heights.
I've taken years of stats, but to be honest, I tend to lose motivation when it feels like all you're after is more or less a pissing contest of semantics. I've said my peace, if people really want to analyze our two sets of comments, they can.