SAT Subject tests low - scrap SCEA & just apply RD?

perseverance1
Wed, 29 Oct 2014 15:54:50 +0000

Re: the Table at https://secure-media.collegeboard.org/digitalServices/pdf/sat/sat-percentile-ranks-subject-tests-2014.pdf
Would a seasoned poster clarify how, if a student scores 800 on Math 2 test, then according to the Table, 81% of students scored lower than that 800? Thanks.