On completing this chapter you should be able to correctly, Ask an Expert

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On completing this chapter, you should be able to correctly answer the following questions.

a. True or false: It is possible, in fact it often is the case, that your slope b, will be a positive value and your correlation coefficient, r, will be a negative value.

b. Both a and b refer to changes in which variable, the independent or dependent?

c. The coefficient of determination, r2, is a PRE measure. What does this mean?

d. True or false: All regression equations reflect causal relationships expressed as linear functions.

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