The SIQR can be defined as A) the range of a distribution divided in half. B) the IQR of a distribution plus the range. C) a measure of half the distance between Q₃ and Q₁. D) all of these.

Question

Quizplus · Accepted Answer

The SIQR (Semi-Interquartile Range) is defined as half the distance between the upper quartile (Q3) and the median (Q2), and is calculated as SIQR = (Q3-Q2)/2. Option A describes the conventional IQR, which is the difference between Q3 and Q1, while option B adds the conventional IQR and the range together. Option D is incorrect as options A and B do not correctly describe the SIQR.

The SIQR Can Be Defined as