Paper 1 · descriptive statistics / box plots
The times to the nearest minute taken by 12 students to complete a task are: 43, 45, 46, 42, 48, 42, 46, 55, 47, 42, 41, 44. What is the median time, in minutes?
Model answer
44.5
Also accepted: 44.5 minutes
Explanation: Sorted: 41, 42, 42, 42, 43, 44, 45, 46, 46, 47, 48, 55. With n=12, the median is the average of the 6th and 7th values: (44+45)/2 = 44.5.
Derived from ZIMSEC Statistics Paper 1, November 2020, Q2
