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General Thoughts: Mathematics Extension 1 (2 Viewers)

vflaash

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i got 50 (without carry over errors) and 53 (with carry over errors), what would that align to? /70
 

Zen2613

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If they were prepared they would have known that to get rid of odds you let x=-1 , pretty common textbook questions to multiply everything by x too, and yeah I can understand, considering I read somewhere that the median atar in some year was 69
How can the average atar be 69 ? I don't get it, the atar is a rank against everyone in the state, so shouldn't it be exactly 50 ?
 

Zen2613

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If they were prepared they would have known that to get rid of odds you let x=-1 , pretty common textbook questions to multiply everything by x too, and yeah I can understand, considering I read somewhere that the median atar in some year was 69
How can the average atar be 69 ? I don't get it, the atar is a rank against everyone in the state, so shouldn't it be exactly 50 ?
 

InteGrand

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How can the average atar be 69 ? I don't get it, the atar is a rank against everyone in the state, so shouldn't it be exactly 50 ?
Does it have anything to do with <30 ATAR's not counting to the calculation of the median?
 

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