Answer to Question #1554 in Statistics and Probability for Misty cooke
b. This is a one tailed test because the prediction is that the private high
school students will have higher scores, thus there is a bias
c. H0: m<22.5;
Ha: m >=22.5
M=22.5, Sn=3.257, n=12
e.We accept the hypothesis, because tobt<tcv. And the conslusion is that people who listen to music via headphones have greater hearing loss and will thus score lower on a hearing test than those in the general population.
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