Texas Department
a Monthly Report to the Texas Department of Health,division

Short Answer

Texas Department
A monthly report to the Texas Department of Health,division of Water Hygiene,contained the following water production data in thousands of gallons: $$\begin{array} { l l l l l l l l l l } 5263 & 5636 & 5264 & 4395 & 6090 & 5293 & 4668 & 5725 & 5171 & 4378 \\5118 & 5538 & 4838 & 5167 & 5119 & 5438 & 6843 & 5262 & 4653 & 5303 \\5913 & 4570 & 5142 & 5964 & 6431 & 4719 & 5358 & 6043 & 4554 & 5805\end{array}$$
-Calculate the interquartile range.