Matching Practice

Matching Practice - MATCHING: For the following problems,...

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1 MATCHING: For the following problems, write the letter of the most appropriate statistical analysis technique next to the story. Note: each answer choice may be used once, more than once, or not at all. A. Mean and/or standard deviation B. Simple linear regression C. Multiple linear regression D. 1-sample mean t-test E. Matched pairs t-test F. Comparison of means t-test G. 1-sample proportion Z-test H. 2-sample proportion Z-test I. Chi-squared test J. One-way ANOVA K. Two-way ANOVA L. Five number summary _____ 1. Is college major associated with the region of the country a student is from in the population? _____ 2. A group of taste testers is asked to rate (in random order) both Coke and Pepsi on a scale of 1-10. Is Coke better tasting than Pepsi on average in the population? _____ 3. What is the average taste test rating for Coke on a scale of 1-10 from a sample of 30 taste testers? _____ 4. Do major and region of the country a student is from affect the population mean GPA? _____ 5. Which of the following are important for predicting a student’s graduation GPA in the population: the number of semesters a student spends in college, their high school GPA, and their SAT scores? _____ 6. Is the population percentage of people in Tippecanoe county who are Purdue students significantly higher in 2007 than it was in 1994 if a random sample of residents was taken both years? _____ 7. Are height and weight independent in the population? _____ 8. Are freshman taller than seniors on average in the population? _____ 9. Are population average GPAs the same for science and engineering majors? _____ 10. Are population average GPAs the same for science, engineering, nursing, and communications majors? _____ 11. Is the population average GPA 3.0? _____ 12. What is the middle GPA for this sample of students?
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2 MATCHING: (3 points each) For problems 1-11, write the letter of the most appropriate statistical analysis technique next to the story. Note : each answer choice may be used once, more than once, or not at all. _____ 1. Does knowing a college student’s SAT score tell us anything about his or her first year college GPA in the population? _____ 2. Do college grade point averages differ for male athletes in football, swimming, and crew in the population?
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Matching Practice - MATCHING: For the following problems,...

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