HomeUPSCIf the difference of the third and first quartiles is divided by the sum of the third and first quartiles then it is known as __________ If the difference of the third and first quartiles is divided by the sum of the third and first quartiles then it is known as __________By Admin / October 4, 2025 A. Quartile B. Coefficient of mean deviation C. Coefficient of quartile deviation D. None of the above ✅ The correct answer is option C.