The mean ACT score for the U.S. is 21 with a standard deviation of 5. A Troy

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The mean ACT score for the U.S. is 21 with a standard deviation of 5. A Troy statistics wants to know how Alabama students compare to the national average, so he randomly samples 12 students and records the following ACT. ACT Scores: 14 18 18 19 20 21 21 22 22 25 30 32

What is the CV (critical value) for this problem?

What is the TS (test statistic) for this problem?

What is the 95% CI (confidence interval)?

Posted Date: Jun 11, 2024 07:12 AM

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The mean ACT score for the U.S. is 21 with a standard deviation of 5. A Troy

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