Random Variables - Discrete

Data Matching

Age 14 to 18
Challenge Level

Use your skill and judgement to match the sets of random data.

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%?

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?

Distribution Differences

Age 14 to 16
Challenge Level

How could you compare different situation where something random happens ? What sort of things might be the same ? What might be different ?