hypothesis testing Watch

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Report 16 years ago
#1
hello!
I've got S2 coming up soon (edexcel) and i completely don't understand the whole of this topic. i missed all the lessons on it, and now i don't know what its all about. could anyone explain what it all involves? like what the hell is a critical region?! or has anyone got an good websites or anything? Thanks if anyone can help xx
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