UsableStats: (a) How does correlation analysis differ from regression analysis? (b) What does a correlation coeff

Question 544:

Asked on December 10, 2008

Tags: Regression Analysis , Correlation , correlation coefficient , significant correlation

(a) How does correlation analysis differ from regression analysis? (b) What does a correlation coefficient reveal? (c) State the quick rule for a significant correlation and explain its limitations. (d) What sums are needed to calculate a correlation coefficient? (e) What are the two ways of testing a correlation coefficient for significance?

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