Your data is a set of positive numbers. What is the maximum value
that the standard deviation can take?
Given the mean and standard deviation of a set of marks, what is
the greatest number of candidates who could have scored 100%?
How can people be divided into groups fairly for events in the Paralympics, for school sports days, or for subject sets?
Does weight confer an advantage to shot putters?
95% of people in Britain should live within 10 miles of the route of the Olympic Torch tour. Is this true?