Zhe Xun's answer to CJ's Primary 6 Maths Data Analysis Singapore question.
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The way i use is through simple algebra, where the formula for the sum of numbers 1+2+3+4+... until the Xth number is the average of the biggest and smallest number multiplied by how many numbers there are
Date Posted:
3 years ago
Another way will be just to write down a table like i did for part 3. The important thing is that you recognize the pattern for the diagrams
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