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Find the range and coefficient of range of the following table –

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Find the range and coefficient of range of the following table –

x 4.5 5.5 6.5 7.5 8.5 9.5 10.5 11.5
f 4 5 6 3 2 1 3 5

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Best answer

Lower limit (S) = 4.5

Upper limit (L)= 11.5

Range = L – S

= 11.5 – 4.5 = 7

Thus range is 7 and coefficient of range is 0.44

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