Question

the rainfall (in mm) in a city on 7 days of a certain week was recorded as follows:
Day --- monday ---0.0 , Tuesday ---12.2 , wed ----2.1 , Thursday -----0.0 , fri ----20.5 , sat ---- 5.3 sun ---1.0
1. find the range of the rainfall from the above data

Answer 1

range=largest-smallest=20.5-1.0=19.5

Answer 2

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