1. Just because something has been posted many times does not make it correct. Did you also believe the worst about comet pizza because it was posted many times on the internet? 2. Without any information about the relative performance between sub-groups, we can not calculate how much a particular sub-group pulled up or down the overall mean. If we need to know how much OOB white students contributed to the mean, we need to know how they performed relative to the rest of that population. If you have a source for the OOB white (magnet+CAP) students' performance, post it. Without that information, it is all pretty much hand-waving. For what it is worth, I personally think these comparisons are silly - I know Blair non-magnet students can do very well and there are wonderful opportunities available to them; but trying to prove it using SAT averages where OOB and in boundary students are not separated is dishonest. |
Interesting |