Using it's concept, it is found that the median number of monthly absences is of 13.
The median of a data-set is the value that separates the bottom 50% of the data-set from the upper 50%.
The first step is ordering the data-set, hence:
2, 10, 12, 14, 16, 18
In this problem, the cardinality is of 6, which is a even number.
Then:
[tex]\frac{12 + 14}{2} = 13[/tex]
The median number of monthly absences is of 13.
To learn more about the median, you can take a look at https://brainly.com/question/10322579
