Refer to Exercise 16. a. Explain why the sample results give some evidence for the alternative hypothesis.
Question:
Refer to Exercise 16.
a. Explain why the sample results give some evidence for the alternative hypothesis.
b. Calculate the standardized test statistic and P-value.
c. What conclusion would you make?
Exercise 16.
A study by the National Athletic Trainers Association surveyed random samples of 1679 high school freshmen and 1366 high school seniors in Illinois. Results showed that 34 of the freshmen and 24 of the seniors had used anabolic steroids. Steroids, which are dangerous, are sometimes used in an attempt to improve athletic performance. Researchers want to know if there is a difference in the proportion of all Illinois high school freshmen and seniors who have used anabolic steroids.
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a The sample results give some evidence for the alternative hypothesis because the proportion of hig...View the full answer
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