Illustration1. Find the interquartile range and the coefficient of quartile deviation from the following data : Marks in Statistics : above 0 10 20 30 40 50 60 70 80 No. of Students : 150 140 100 80 80 70 30 14

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Q: a. Range: b. Variance: C. Standard Deviation:

A: “Since you have posted a question with multiple sub-parts, we will solve first three subparts for…

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A: Note: Thank you for the question. Since multiple subparts are posted, according to our policy, we…

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A: data in accending order 61,66,67,67,68,73,74,75,75,75,82,85,86,89n = 14