The following table shows the marks of four students in mathematics, chemistry, physics, biology, and history tests:
Calculate the median mark of student (D) in the five tests.
The median is the centre value of an ordered data set.
To find the median mark of student (D), arrange the marks for student (D) in ascending or descending order:
There is an odd number of values, so the median mark for student (D) is the centre value: 11 marks.