Question 1
Paper 2Easy5 marksA school records the commute times of students travelling by two bus routes. Figure 1 shows box-and-whisker diagrams of the times, in minutes.
(a)[1]
Write down the median commute time for Route A.
(b)[2]
Calculate the interquartile range of the commute times for Route B. Give your answer in minutes.
(c)[2]
State which route’s commute times may be normally distributed. Give one feature of its box-and-whisker diagram to support your answer.