Is it the fastest swimmer, the fastest runner or the fastest cyclist who wins the Olympic Triathlon?
How can we make sense of national and global statistics involving very large numbers?
Infographics are a powerful way of communicating statistical information. Can you come up with your own?
Match the cumulative frequency curves with their corresponding box plots.
Charlie has moved between countries and the average income of both has increased. How can this be so?
Six samples were taken from two distributions but they got muddled up. Can you work out which list is which?
A collection of short Stage 4 problems on statistics.
The median of a set of five positive integers is one more than the mode and one less than the mean. Can you find the largest range possible?
If some of the audience fell asleep for some of this talk, what was the average proportion of the talk that people heard?
Find the value of $m$ from these statements about a group of numbers