Question

The following table shows the monthly flow through a dam from October through April.

Answer 1

Solution:

Given the data below:

A) Mean monthly flow:

The mean monthly flow is evaluated as

$\begin{gathered} \frac{total\text{ volume}}{total\text{ number of months}}=\frac{92+133+239+727+345+495}{6} \\ =\frac{2031}{6} \\ =338.5 \end{gathered}$

Thus, the mean monthly flow is 338.5 KAF

B) Median monthly flow:

The median is evaluated as

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