1. Quantitative Methods PSY302 Quiz Chapter Five

2. 1. A ____ shows the relationship between two quantitative variables. (p. 83) A. histogram B. scatterplot C. five-number summary D. independent variable E. block design

3. 1. A ____ shows the relationship between two quantitative variables. (p. 83) A. histogram B. scatterplot C. five-number summary D. independent variable E. block design

4. 2. When two variables are negatively correlated, above-average values of one variable tend to accompany ____ values of the other. (p. 88) A.categorical B.independent C.above-average D.below-average E.hypothetical

5. 2. When two variables are negatively correlated, above-average values of one variable tend to accompany ____ values of the other. (p. 88) A.categorical B.independent C.above-average D.below-average E.hypothetical

6. 3. Correlation describes ____ relationships. (p. 91) A.linear B.causal C.nominal D.categorical E.curved

7. 3. Correlation describes ____ relationships. (p. 91) A. linear B. causal C. nominal D. categorical E. curved

8. 3. Correlation describes ____ relationships. (p. 91) A. linear B. causal C. nominal D. categorical E. curved

9. 4. A correlation is always: (p. 81) A.computed with categorical data B.greater than zero C.elliptical D.a number between 1 and –1. E.used with curved data

10. 4. A correlation is always: (p. 81) A.computed with categorical data B.greater than zero C.elliptical D.a number between 1 and –1. E.used with curved data

11. 5. Which of the following is a variable that could be used in calculating a correlation. (p. 91) A.city B.class rank C.G.P.A. D.race E.all of the above

12. 6. The scatterplot on the right shows a _____ relationship between carnivore abundance and body mass. (p. 85) A.curvilinear B.causal C.nominal D.categorical E.negative

13. 6. The scatterplot on the right shows a _____ relationship between carnivore abundance and body mass. (p. 85) A.curvilinear B.causal C.nominal D.categorical E.negative

14. 7. To calculate correlation you need the: (p. 88) A.mean B.median C.standard deviation D.range E.1 & 3

15. 7. To calculate correlation you need the: (p. 88) A.mean B.median C.standard deviation D.range E.1 & 3

16. 8. We have to be cautious using correlation when ____ because it may present an incorrect picture. A.it is based on quantitative data B.there are outliers C.it is negative D.the data are normal E.all of the above

17. 8. We have to be cautious using correlation when ____ because it may present an incorrect picture. A.it is based on quantitative data B.there are outliers C.it is negative D.the data are normal E.all of the above

18. 9. Which of the following is the strongest correlation? (p. 83) A..25 B..54 C.-.32 D.-.89 E..772

19. 9. Which of the following is the strongest correlation? (p. 83) A..25 B..54 C.-.32 D.-.89 E..772

20. 10. Correlation requires that both variables be: A.positive B.nominal C.quantitative D.even E.categorical

21. 10. Correlation requires that both variables be: A.positive B.nominal C.quantitative D.even E.categorical

22. 11. Correlations express the association that exists between two or more variables; they have nothing to do with _____. A.Relationships B.Shared variance C.Causality D.Measurement variables E.All of the above

23. 11. Correlations express the association that exists between two or more variables; they have nothing to do with _____. A.Relationships B.Shared variance C.Causality D.Measurement variables E.All of the above

24. The End

25. 1-b, 2-d, 3-a 4-d, 5-c, 6-e, 7-e, 8-b, 9-d, 10-c