👉 In statistics, a semi-quantile is a measure of central tendency or spread that is not part of the usual quantiles. It is defined as: (semiquartile) = (Q2 + Q3)/2 Where: Q1 is the first quartile, Q2 is the second quartile, and Q3 is the third quartile. In other words, it is a measure that separates the middle 50% of the data into two equal parts. It is
