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12.3.1 Averages and Spread — OCR Mathematics J560 | GradeGen.AI
Mathematics
Statistics
Data Analysis
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
Practise with Past Papers
Key Terms & Definitions
Previous Topic: Data Representation
Histograms and Cumulative Frequency
Next Subtopic
Data Misrepresentation
Quartiles, Box Plots and Comparing Populations
12 key terms
