Wrth gasglu a chofnodi data, gelli di eu cynrychioli mewn diagram. Gan ddibynnu ar y canlyniadau, gelli di ddefnyddio siart bar, siart cylch, graff llinell, pictogram, diagram amlder neu ddiagram ...
The words "statistics" and "data handling" might sound dry but it's an area of maths with an exciting range of skills at its core including investigating, gathering, presenting, and examining ...
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