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Mathematics
Statistics
Data Analysis
Averages and Spread
Averages and Spread
What You Need to Know
Calculate mean, mode, median, and range for ungrouped data.
Estimate mean, median, and range for grouped data and identify the modal class.
Describe and compare populations using summary statistics.
Calculate quartiles and interquartile range from graphs.
Draw and interpret box plots to compare distributions.
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Practise with Past Papers
Key Terms & Definitions
Previous Topic: Data Representation
Histograms and Cumulative Frequency
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Data Misrepresentation
