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Pineappleeh

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Nine students took the SAT. Their scores are listed below. Later on, they read a book on test preparation  and retook the SAT. Their new scores are listed below. Test the claim that the book had no effect on their scores. Use α = 0.05. Assume that the distribution is normally distributed.


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Marked as best answer by Pineappleeh on Jan 16, 2020

TheNamesImani

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Pineappleeh

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Reply 2 on: Jan 16, 2020
Excellent


Perkypinki

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Reply 3 on: Yesterday
Gracias!

 

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