Mathematics
Mathematics, 16.07.2020 20:01, bella4269

A group of 30 randomly selected students have a mean score of 24.6 with a standard deviation of 3.3 on a placement test. What is the 95% confidence interval for the mean score, μ, of all students taking the test?

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A group of 30 randomly selected students have a mean score of 24.6 with a standard deviation of 3.3...

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