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Question
For a distribution, Q1 = 25, Q2 = 35 and Q3 = 50. Find Bowley’s coefficient of skewness Skb.
Solution
Given, Q1 = 25, Q2 = 35 and Q3 = 50
Skb = `("Q"_3 + "Q"_1 - 2"Q"_2)/("Q"_3 - "Q"_1)`
= `(50 + 25 - 2(35))/(50 - 25)`
= `(75 - 70)/25`
= `5/25`
= `1/5`
∴ Skb = 0.2
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