Statistical Significance and Practical Significance. In Exercises 13–16, determine whether the results appear to have statistical significance, and also determine whether the results appear to have practical significance.
14. MCAT The Medical College Admissions Test (MCAT) is commonly used as pan of the decision-making process for determining which students to accept into medical schools. To test the effectiveness of the Siena MCAT preparation course, 16 students take the MCAT test, then they complete the preparatory course, and then they retake the MCAT test, with the result that the average (mean) score for this group rises from 25 to 30. There is a 0.3% chance of getting those results by chance. Does the course appear to be effective?
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Chapter 1 Solutions
Pearson eText for Essentials of Statistics -- Instant Access (Pearson+)
Additional Math Textbook Solutions
Introductory Statistics
Introductory Statistics (2nd Edition)
Introductory Statistics (10th Edition)
Elementary Statistics
An Introduction to Mathematical Statistics and Its Applications (6th Edition)
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