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If a frequency distribution has q3- q2=2(q2-q1),find the value of j. |
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Answer» tion:Skb is Bowley's coefficient of SKEWNESS,where Q2 is the median and Q1&Q3 are the lower and upper QUARTILES respectively.Skb=(Q3−Q2)+(Q2−Q1)(Q3−Q2)−(Q2−Q1)⇒Skb=90+12090−120⇒Skb=210−30⇒Skb=−0.142So, it is a negatively skewed DISTRIBUTION. |
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