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01-02-2015
Mathematics

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Anonymous Anonymous

01-02-2015

The answer is B. To find the median you should place the numbers in value order. The middle number will be the median. :
Girls : 73 81 89 91 93
Boys: 68 73 78 86 91

The girl's scores' median is 89
The boy's scores' median is 78
89-78= 11

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