Given Q1=10,Q2=20,Q3=30Q_1 = 10, Q_2 = 20, Q_3 = 30Q1=10,Q2=20,Q3=30. What is the Bowley's coefficient of skewness S=Q3+Q1−2Q2Q3−Q1S = \frac{Q_3 + Q_1 - 2Q_2}{Q_3 - Q_1}S=Q3−Q1Q3+Q1−2Q2?
000
111
−1-1−1
0.50.50.5