Answer
$16.77\,m^{2}.$
Work Step by Step
The variance has the square of the units of measure of the data items in the sample (here: square meters, or $m^{2}$).
It can be obtained by invoking the "Descriptive Statistics" option of our Data Analysis feature to obtain a summary shown below in the attached screen snippet.
The variance is $16.77\,m^{2}.$
