Question: Please provide step by step solution a.Range b.Quartile deviation c.coefficient of quartile deviation d.Interquartile range Marks Frequency 11-20 4 21-30 8 31-40 20 41-50 12

Please provide step by step solution

a.Range

b.Quartile deviation

c.coefficient of quartile deviation

d.Interquartile range

Marks Frequency

11-20 4

21-30 8

31-40 20

41-50 12

51-60 6

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