Answer
$2.5$
Work Step by Step
Arrange the values in order:
$1.8$ ;$2.0$ ;$2.1$ ;$2.3$ ;$2.4$ ;$2.6$; $3.8$ ;$4.2$ ;$4.2$; $15.1$
Median of the data set:
$\frac{2.4+2.6}{2}=2.5$
For Oakville, the median August rainfall is $2.5$ in.
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