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Problems 20-23 are based on z scores. Assume all requirements are satisfied and =.05. A professor offers a GRE prep session to 30 students once
Problems 20-23 are based on z scores. Assume all requirements are satisfied and =.05.
- A professor offers a GRE prep session to 30 students once a week. During these sessions, the students take mock GRE exams and then discuss the answers. The professor finds that the average score on the most recent mock exam was 322. The average score for everyone who takes the GRE is 302 with a standard deviation of 15. Are the professor's student's scores statistically greater than the rest of the population?
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Precalculus With Limits A Graphing Approach, Texas Edition
Authors: Ron Larson
6th Edition
1305443462, 9781305443464
