What type of measure is B, if B is defined as the difference between score values representing the 90th percentile rank and the 10th percentile rank?
A) Central tendency
B) Correlation
C) Prediction
D) Variability

Question

Quizplus · Accepted Answer

B is defined as the difference between two percentile ranks, which is a measure of variability. It tells us how spread out the scores are in a distribution, specifically for the top and bottom 10%.

What Type of Measure Is B, If B Is Defined