AC Lim's answer to Opportunity's Primary 6 Maths Data Analysis Singapore question.
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Use difference on average and difference on mark.
The mark difference = 97-79 = 18
Average mark difference = 90 - 88 = 2
Therefore, number of test
= 18÷2
= 9 tests.
Hope this helps
The mark difference = 97-79 = 18
Average mark difference = 90 - 88 = 2
Therefore, number of test
= 18÷2
= 9 tests.
Hope this helps
Date Posted:
3 years ago
It's help. Really help. And so easy to understand. Thanks
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