About Course
Draw and interpret stem-and-leaf diagrams, including back-to-back diagrams for comparing groups, and frequency polygons for grouped data. Find averages and ranges from each and avoid the plotting errors that cost exam marks.
This course is for general learning and revision. It is written by Tutwoo and is not produced or endorsed by any exam board. Always check your own exam board’s specification and your teacher’s guidance.
Course Content
Course Lessons
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Stem-and-leaf diagrams
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Back-to-back diagrams and comparing data
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Frequency polygons
Sources & Further Reading
Final Assessment
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