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Summarising Pupil N's attainment in handling data

Pupil N's attainment in statistics is best described as high level 7. She calculates a range of sample statistics accurately and uses these to describe the shape of a distribution. To consolidate level 7 and progress into level 8 she needs to apply this knowledge to problems within the context of the whole handling data cycle. She needs to pose questions to explore and develop her ability to interpret and evaluate the results of data collection, make inferences and relate results to a hypothesis. She needs to extend her work with grouped data to working with unequal class intervals and investigating the effect of grouping data on estimated statistics. She needs to calculate probabilities in a wide range of situations to consolidate her understanding of sample spaces and approaches to calculating probabilities of combinations of events.