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95% confidence interval for mean

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A sample of 64 statistics students at a small college had a mean mathematics ACT score of 28 with a standard deviation of 4. Estimate the mean mathematics ACT score for all statistics students at this college. Give the 95% confidence interval.

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This solution is comprised of a detailed explanation of Confidence Interval and use of statistics in our daily life. In this solution, all the possible explanation of this complicated topic provides students with a clear perspective of confidence interval.

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