List

Random Variables - Discrete

Data matching
problem

Data Matching

Age
14 to 18
Challenge level
1 out of 3

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

Spread
problem

Spread

Age
16 to 18
Challenge level
3 out of 3

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
problem

Maximum Scattering

Age
16 to 18
Challenge level
2 out of 3

Your data is a set of positive numbers. What is the maximum value that the standard deviation can take?

Distribution Differences
problem

Distribution Differences

Age
14 to 16
Challenge level
2 out of 3

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