See the live dashboard for CensusAtSchool 2021

One best number: The mean or the median

Marion Steel (Epsom Girls’ Grammar School) discusses the idea of statistical efficiency, when and why to use a particular measure of centre.

She explains as teachers we should be discussing when, how and why to choose a particular measure over another and the statistical reasoning behind the decision.

This is important statistical reasoning for Merit and Excellence students.

one-best-number

Add a teaching resource

Have you created a resource which is suitable for CensusAtSchool and you would like to share with other teachers?

Add your resource