1.

Find the coefficient of range of the following data –Size10-1515-2020-2525-30Frequency2468

Answer»

Lower limit (S) = 10

Upper limit (L) = 30

Range = (L - S)/(L + S)

= (30 - 10)/(30 + 10)

= 20/40

= 1/2 = 0.5

Thus Range coefficient is 0.5.



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