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    Statistics - Confidence Intervals for ACT Scores

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    I need help completing this question:

    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.

    Thank you for your assistance.

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    https://brainmass.com/statistics/confidence-interval/statistics-confidence-intervals-act-scores-477815

    Solution Preview

    Thank you for asking BrainMass. Please see the solution in the attached Word document for the missing equations.

    Problem: 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 percent confidence interval.

    Solution:

    This is a 95 percent confidence interval for the population mean.

    Note that we use the t ...

    Solution Summary

    This solution helps with a questions involving confidence intervals ad ACT scores in a sample of 64 students, where scores and standard deviation are given. Step by step calculations with explanations are included.

    $2.19

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