PRC-2 · Chapter 8 · Question 57 of 60
What is the standard formula utilized to calculate the Semi-Interquartile Range (Quartile Deviation)?
Test yourself: pick an answer
Reveal answer & explanation
Correct answer: B) (Q3 - Q1) / 2
Explanation
The regular Interquartile Range is calculated as Q3 - Q1. The prefix 'semi' mathematically dictates that this total distance is halved, giving the standard formula (Q3 - Q1) / 2.
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