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Averages and Spread
Averages and Spread
OCR GCSE Mathematics (J560) — Statistics
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.
Revision Notes
1
Averages and Range for Ungrouped and Grouped Data
21 key terms
2
Quartiles, Box Plots and Comparing Populations
12 key terms
Practise with Past Papers
Key Terms & Definitions
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Histograms and Cumulative Frequency
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Data Misrepresentation
