Question: is 50th percentile a measure of dispersion?
Answer: Dispersion. ... Interquartile Range (IQR) It is the better measure of dispersion than the Range. It uses the terms Q1, Q2, Q3, Q4 to denote each quarter of the data set. Q1 lies at the 25th percentile, Q2 lies at the 50th percentile or median, Q3 lies at the 75th percentile, and Q4 lies at the 100th percentile.