<p>For MIT in particular, its freshman calculus (18.01 and its variants) compresses what is normally a year of calculus into a semester (i.e. double speed compared to high school calculus BC, quadruple speed compared to high school AP calculus AB). That may be hard to handle for someone who has not seen calculus before in high school.</p>
<p>AP statistics is of very low value in terms of usefulness for subject credit in universities.</p>