Lim Jia Earn's answer to Stressful's Primary 6 Maths Data Analysis Singapore question.

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Lim Jia Earn
Lim Jia Earn's answer
29 answers (A Helpful Person)
I hope this provide a clearer visual for you, if you have a difficult time visualising, more often than not you can redraw your model (make it bigger even) and it might open up ideas :)