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Broad Topics > Stage 5 Statistics Mapping Document > SM - Discrete RVs

### Data Matching

##### Stage: 5 Challenge Level:

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

### Distribution Maker

##### Stage: 5 Challenge Level:

This tool allows you to create custom-specified random numbers, such as the total on three dice.

### Distribution Differences

##### Stage: 4 Challenge Level:

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

### Introducing Distributions

##### Stage: 4 Challenge Level:

When five dice are rolled together which do you expect to see more often, no sixes or all sixes ?

### Maximum Scattering

##### Stage: 5 Challenge Level:

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

### Spread

##### Stage: 5 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%?