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Mathematics 7 Online
OpenStudy (anonymous):

Pearson r?? Can someone give the derivation of it?? thankyou

OpenStudy (idku):

Haha!

OpenStudy (anonymous):

what is funny?

OpenStudy (idku):

It looks like a funny question.

OpenStudy (anonymous):

Derivation of Pearson r??

OpenStudy (idku):

your input is |dw:1384347422545:dw| right?

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