On an ability test, 15 randomly selected participants score an average of 74.8 points, with a M

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On an ability test, 15 randomly selected participants score an average of 74.8 points, with a σM of 1.263 points. What is the 95% confidence interval for future test takers' scores?
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Statistics Alive

ISBN: 9781412979504

2nd Edition

Authors: Wendy J. Steinberg

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