Question
A sample of 81 statistics students at a small college had a mean mathematics ACT score of 25 with a standard deviation of 5. Find
A sample of 81 statistics students at a small college had a mean mathematics ACT score of 25 with a standard deviation of 5. Find the95% confidence interval. Round to two decimal places.
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Elementary Algebra
Authors: Jerome E Kaufmann, Rosemary Karr, Karen L Schwitters, Marilyn Massey, R David Gustafson
10th Edition
1305161769, 9781305161764
