problem Stats statements Age 16 to 18 Challenge level Are these statistical statements sometimes, always or never true? Or it is impossible to say?
problem Random inequalities Age 16 to 18 Challenge level Can you build a distribution with the maximum theoretical spread?
problem Data matching Age 14 to 18 Challenge level Use your skill and judgement to match the sets of random data.
problem Spinners Age 16 to 18 Challenge level How do scores on dice and factors of polynomials relate to each other?
problem Exponential intersection Age 16 to 18 Challenge level Can the pdfs and cdfs of an exponential distribution intersect?