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Cumulative frequency graphs

Two large boxes to a page. Running totals from a table and drawing the graph, then reading the median, quartiles and interquartile range off a drawn graph, then how many are less than or more than a value.

A free GCSE Higher statistics lesson on cumulative frequency graphs, spec code S3. It has a lesson deck to teach from with a visualiser, a worksheet with answers, a puzzle, an exit ticket, an end of unit test and a method video.

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