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 could you compare different situation where something random happens ? What sort of things might be the same ? What might be different ?
When five dice are rolled together which do you expect to see more often, no sixes or all sixes ?
This tool allows you to create custom-specified random numbers, such as the total on three dice.
Use your skill and judgement to match the sets of random data.