Q. Coefficient of skewness for the values Median $= 18.8,\ Q_{1} = 14.6,\ Q_{3} = 25.2$ is
A) 0.2
B) 0.5
C) 0.7
D) None of these
Explanation
(a)
Coefficient of skewness $= \frac{Q_{3} - Q_{1} - 2(median)}{Q_{3} - Q_{1}}$
$= \frac{25.2 + 14.6 - 2(18.8)}{25.2 - 14.6}$
$= \frac{2.2}{10.6} = 0.20$
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.