Just how hard is BC Calc?

ysk1
Sat, 05 May 2007 17:44:47 +0000

In 2003 a raw score of 64 (out of 108) was needed for a 5.

This site, http://home.austin.rr.com/theatons/AP%20Review/Test%20information.htm, tells you that 75 out of 108 is a cutoff for a 5. Which is more reliable? 75 is way higher than 64.