CAIE A-Level Further Math A2 4.4.1 Non Parametric Tests Questions

Practise selecting and justifying non-parametric significance tests when parametric assumptions are unsuitable with Further Mathematics AS questions and mark schemes.

Exam points

Select and justify a non-parametric significance test when parametric assumptions are unsuitable.

[Maximum number: 1]

State briefly the circumstances under which a non-parametric test of significance should be used rather than a parametric test.

The level of pollution in a river was measured at 12 randomly chosen locations. The results, in suitable units, are shown below, where higher values represent greater pollution.

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CAIE A-Level Further Math A2 4.4.1 Non Parametric Tests Questions question 1