20.Assume you perform two simple regressions. The first regression analysis has an R-squared of 0.80 and a beta coefficient of 0.10. The second regression analysis has an R-squared of 0.80 and a beta coefficient of 0.25. Which one of the following statements is most accurate? A) Results from the first analysis are more reliable than the second analysis. B) Results of the second analysis are more reliable than the first analysis. C) The influence on the dependent variable of a one-unit increase in the independent variable is the same in both analyses. D) Results from both analyses are equally reliable.
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发表于 2008-4-1 17:39
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