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Mean from a frequency table

Add a frequency × value column, total it, then divide. The bar chart marks the mean as a balance point, and an empty column fades to adding their own.

A free key stage 3 and GCSE Foundation statistics lesson on mean from a frequency table, spec code S4. It has a lesson deck to teach from with a visualiser, a worksheet with answers, a puzzle, an exit ticket, end of unit tests and a method video.

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