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What is the null hypothesis if students who had chocolate before exam earned a mean score of 77 with a variance of 15 compared to a mean score of 72 and a variance of 17 for tho…

What is the null hypothesis if students who had chocolate before exam earned a mean score of 77 with a variance of 15 compared to a mean score of 72 and a variance of 17 for tho…
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What is the null hypothesis if students who had chocolate before exam earned a mean score of 77 with a variance of 15 compared to a mean score of 72 and a variance of 17 for those who did not have chocolate before exam?

User Jnrg
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3 votes
Chocolate may energise the mind to think better
That’s just me tho
User Mike Laughton
by
7.5k points
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