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Mathematics, 18.02.2020 20:30 ykpwincess
Steroids in high school Refer to Exercise 14. Construct and interpret a 95% confidence interval for the difference between the population proportions. Explain how the confidence interval is consistent with the results of the test in Exercise 16.
Exercise 16
Steroids in high school Refer to Exercise 14. Carry out a significance test at the a = 0.05 level.
Exercise 14
Steroids in high school 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.13 Do the data give convincing evidence of a difference in the proportion of all Illinois high school freshmen and seniors who have used anabolic steroids? State appropriate hypotheses for a test to answer this question. Define any parameters you use.
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Steroids in high school Refer to Exercise 14. Construct and interpret a 95% confidence interval for...
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