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Mathematics, 27.03.2020 14:14 chancho3703

The table shows the year groups of some students who use the canteen. Mr Ford wants to survey 50 of these students stratified by year group. How many more year 9 students than year 8 students should be in the survey?


The table shows the year groups of some students who use the canteen. Mr Ford wants to survey 50 of

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The table shows the year groups of some students who use the canteen. Mr Ford wants to survey 50 of...

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