An instructor has a first-period class with 25 students, and they had a mean score of 86%
Question:
An instructor has a first-period class with 25 students, and they had a mean score of 86% on the midterm exam. The second-period class has 30 students, and they had a mean score of 84% on the same exam. Does it follow that the mean score for both classes combined is 85%? Explain.
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To determine whether the mean score for both classes combined is 85 we need to calculate the overall ...View the full answer
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Related Book For 
Statistical Reasoning For Everyday Life
ISBN: 9780321904645
4th International Edition
Authors: Jeffrey Bennett, William L. Briggs, Mario F. Triola
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