A score on an intelligence test with a percentile rank of .30 indicates that
A) The score is two standard deviations above the mean.
B) The score is two standard deviations below the mean.
C) 30% of the population has lower scores.
D) 30% of the population has higher scores.

Question

Quizplus · Accepted Answer

A percentile rank of .30 means that 30% of the population has lower scores and 70% of the population has higher scores. Therefore, the correct answer is D.

A Score on an Intelligence Test with a Percentile Rank