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I need help with this

I need help with this-example-1
User Ynv
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1 Answer

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I remember some of this from 6th grade!
a.) the 7th graders have a smaller range compared to the 8th graders.
c.) 30 and 18 are the medians. Subtract them and you get 12.
Hope I could help partially
User Gmadar
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