comparing the effectiveness of three devices designed to help people who snore. There are 120 people who snore participating in the experiment. Using a table of random digits, the researcher will randomly place the participants into three equally sized trea

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A: Hey there! Thank you for posting the question. Since your question has more than 3 parts, we are…

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Q: nple of size 9, degrees of freedom is equal to

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Q: 61% of all statistics classes require a statistical calculator and 31% require the use of a computer…

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A: Given,n1=257 , x1=55n2=288  ,  x2=45p^1=x1n1p^1=55257=0.21401p^2=x2n2p^2=45288=0.15625pooled…

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