Part III. Below indicate whether the appropriate test would be an independent t-test, dependent t-test, One-way ANOVA, or z-test. 7. A researcher wants to know if attitudes towards one’s college change as one progresses from freshman to senior year. She recruits 100 freshman and surveys them about their attitudes toward the college. Three years later, when those 100 students are seniors, she surveys them about their attitudes again. 8. A research is interested in how three different statistics tutorials impact learning. She gives students one of three tutorials, a t-test tutorial, then a one-way ANOVA tutorial, and finally a factorial ANOVA tutorial. She measures their quiz grades for each topic after they have viewed the tutorial. 9. A researcher studying psychological well-being between children from single-parent vs. two-parent families recruits 20 children from two-parent families and 20 children from single-parent families and measures their psychological adjustment. 10. Dr. DeCicco is interested in whether people who drive red, white, or black cars receive more traffic tickets. She compares the number of tickets given to each type of color car.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.6: Summarizing Categorical Data
Problem 27PPS
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Part III. Below indicate whether the appropriate test would be an independent t-test, dependent t-test, One-way ANOVA, or z-test.

7. A researcher wants to know if attitudes towards one’s college change as one progresses from freshman to senior year. She recruits 100 freshman and surveys them about their attitudes toward the college. Three years later, when those 100 students are seniors, she surveys them about their attitudes again.

8. A research is interested in how three different statistics tutorials impact learning. She gives students one of three tutorials, a t-test tutorial, then a one-way ANOVA tutorial, and finally a factorial ANOVA tutorial. She measures their quiz grades for each topic after they have viewed the tutorial.

9. A researcher studying psychological well-being between children from single-parent vs. two-parent families recruits 20 children from two-parent families and 20 children from single-parent families and measures their psychological adjustment.

10. Dr. DeCicco is interested in whether people who drive red, white, or black cars receive more traffic tickets. She compares the number of tickets given to each type of color car.

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