Question

The rainfall (in mm) in a city on 7 days of a certain week was recorded as follows:

Day	Mon	Tue	Wed	Thu	Fri	Sat	Sun
Rainfall (in mm)	0.0	12.2	2.1	0.0	20.5	5.3	1.0

Find the range of the rainfall from the above data. (in mm)

Answer 1

Given that

the rainfall(in mm) in a city on $7$ days of a certain week recorded as follows.

Day Mon Tue Wed Thus Fri Sat Sun

Rainfall(in mm) $0.0$ $12.2$ $2.1$ $0.0$ $20.5$ $5.3$ $1.0$

We Range$=$Highest rain fall$-$Lowest rainfall

$=20.5-0.0$

Range of the rainfall$=20.5$mm.