Select the true statement concerning percentiles and percentile ranks.
A. If a person has scores on several different measures, his or her mean percentile rank is a good indication of overall ability.
B. If for a 200-point test administered to 60 students the percentile rank of the score 57 is 25, this indicates that 25% of the scores are below
C. If a sit-up test was administered to 75 children and 20% of the children did 25 sit-ups, the percentile rank of the score 25 would be 20.
D. The 86th percentile is the score at or below which 86% of the group scored.
E. Percentile ranks are seldom used because they are difficult to interpret.