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From the following data calculate range and coefficient of range:Marks15253545556575No. of Students9118352074 |
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Answer»
Highest value (H) = 75 Lowest value (L) = 15 Range = Highest value − Lowest value or, R = 75 − 15= 60 marks Coefficient of Range = \(\frac{H-L}{H+L}=\frac{75-15}{75+15}=\frac{60}{90}=0.66\) Hence, range is 60 and coefficient of range is 0.66 |
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