Find the range of the following set of numbers 0.4, −0.4, 0.3, 0.47, −0.53, 0.2...

Mathematics

JAMB 2017

Find the range of the following set of numbers 0.4, −0.4, 0.3, 0.47, −0.53, 0.2 and −0.2

A. 1.03
B. 0.07
C. 0.03
D. 1.0

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Correct Answer: Option D

Explanation

0.4, −0.4, 0.3, 0.47, −0.53, 0.2, −0.2

Range is the difference between the highest and lowest value

i.e Highest − Lowest

− 0.53, −0.4, −0.2, 0.2, 0.3, 0.4, 0.47

0.47 is the highest

− 0.53 is the lowest

∴ = 0.47 − (− 0.53)

∴0.47 + 0.53

= 1.0

There is an explanation video available below.

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