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Please help me!!!! I need the answer but if you could step by step show me how that would be great!!!!

Please help me!!!! I need the answer but if you could step by step show me how that-example-1
Please help me!!!! I need the answer but if you could step by step show me how that-example-1
Please help me!!!! I need the answer but if you could step by step show me how that-example-2
User Gvtha
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1 Answer

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the mean of trail's team is 150 and the mean of burlington's team is 130
150-130=20
User Gcvt
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