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Mathematics 16 Online
OpenStudy (callisto):

An easy one -if the SD of a set of data =s, each number is first doubled then -2, that is the new SD?

OpenStudy (anonymous):

woud it be -2s?

OpenStudy (callisto):

2s but I don't know why

OpenStudy (callisto):

Never mind, I'll figure it out. Thanks!

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