Question

Height of 20saplings in a nursery is noted in cm
80,79,102,90,94,124,111,87,88,103,72,126,125,88,98,96,127,128,74,80
Find the range of their height

Answer 1

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The range of a set of data is the difference between the highest and lowest values in the set.

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$greatest \: value - smallest \: value \\ 128 - 72 \\ 56$

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So, the range is 56

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