Percentile ranks are not on an equal-interval scale; that is, the difference between any two scores is not the same between any other two scores whose difference in percentile ranks is the same.
32.
Steven H . Weiss, a spokesman for CTB / McGraw Hill, said that in determining the percentile rank, CTB / McGraw Hill had given similar tests to 150, 000 children across the country.
33.
On 23 September 2009, the Commission on Higher Education called for the closing of its law school for posting a performance percentile rank of zero in the bar examinations from 1999 to 2009.
34.
Percentile ranks are not on an equal-interval scale; that is, the difference between any two scores is not the same between any other two scores whose difference in percentile ranks is the same.
35.
This relationship between normal equivalent scores and percentile ranks does not hold at values other than 1, 50, and 99 . It also fails to hold in general if scores are not normally distributed.
36.
Like many standardized tests, scores on the various scales of the MMPI-2 and the MMPI-2-RF are not representative of either percentile rank or how " well " or " poorly " someone has done on the test.
37.
Thus, " 500 " simply means doing as well as the average senior did in 1991, when SAT norms were set; the College Board could just as well say that the student has a 50th percentile rank.
38.
UAI scores were not directly equivalent to a percentile rank among those who completed Year 12 ( i . e . a UAI of 99 was not equivalent to placing in the top 1 % of the state ).
39.
This is advantageous compared to percentile rank scales, which suffer from the problem that the difference between any two scores is not the same as that between any other two scores ( see below or percentile rank for more information ).
40.
This is advantageous compared to percentile rank scales, which suffer from the problem that the difference between any two scores is not the same as that between any other two scores ( see below or percentile rank for more information ).
