problem
Data matching
Age
14 to 18
Challenge level
Use your skill and judgement to match the sets of random data.
problem
Spread
Age
16 to 18
Challenge level
Given the mean and standard deviation of a set of marks, what is the greatest number of candidates who could have scored 100%?
problem
Maximum scattering
Age
16 to 18
Challenge level
Your data is a set of positive numbers. What is the maximum value
that the standard deviation can take?
problem
Distribution differences
Age
14 to 16
Challenge level
How could you compare different situations where something random happens? What sort of things might be the same? What might be different?