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Standard XII

Mathematics

Range

The weight in...

Question

The weight in Kg of 13 students in a class are $42.5, 47.5, 48.6, 50.5, 49, 46.2, 49.8, 45.8, 43.2, 48, 44.7, 46.9, 42.4$ .Find the coefficient of range.

0.077

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0.213

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0.0803

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0.093

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Solution

The correct option is C $0.0803$
The largest value of data is $x_{m} = 49.8$
The smallest value of data is $x_{0} = 42.4$
Coefficient of data $= \frac{49.8 - 42.4}{49.8 + 42.4} = \frac{7.4}{92.2} = 0.08026 \approx 0.0803$

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Q. The weight(in kg) of

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The weight in Kg of 13 students in a class are 42.5,47.5,48.6,50.5,49,46.2,49.8,45.8,43.2,48,44.7,46.9,42.4.Find the coefficient of range.

The correct option is C 0.0803The largest value of data is xm=49.8The smallest value of data is x0=42.4Coefficient of data=49.8−42.449.8+42.4=7.492.2=0.08026≈0.0803

The weight in Kg of 13 students in a class are $42.5, 47.5, 48.6, 50.5, 49, 46.2, 49.8, 45.8, 43.2, 48, 44.7, 46.9, 42.4$ .Find the coefficient of range.

The correct option is C $0.0803$
The largest value of data is $x_{m} = 49.8$
The smallest value of data is $x_{0} = 42.4$
Coefficient of data $= \frac{49.8 - 42.4}{49.8 + 42.4} = \frac{7.4}{92.2} = 0.08026 \approx 0.0803$