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Find the range and coefficient of range of the data: 50 , 90 , 120 , 40 , 180 , 200 , 80.

written 5.2 years ago by teamques10 ★ 68k

modified 2.6 years ago by pedsangini276 • 4.8k

engineering mathematics

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written 5.2 years ago by teamques10 ★ 68k

Solution:

Range = L - S = 200 - 40 $ \begin{aligned}=& 160 \end{aligned}$

Coefficient of range $= \frac{L-S}{L+S}$

$ \begin{aligned} &=\frac{200-40}{200+40} \\ &=\frac{2}{3} \mathrm{OR} \quad 0.667 \end{aligned} $

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