<p>Not to be rude, but having taken AP Statistics, I can say that the p-value of the null hypothesis, Proportion of Students Admitted at Northwestern < Proportion of Students Admitted at UChicago, is high enough to question its veracity.</p>
<p>In other words, the sample sizes aren’t large enough for those to provide any statistical know-how. Northwestern’s newspaper reported last year a 23% acceptance rate; UChicago’s reported an 18%.</p>