Correlation and Regression
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A. What is the relationship between the sign of the correlation coefficient and the sign of the slope of the regression line?
b. As the value of the correlation coefficient increases from 0 to 1, or decreases from 0 to -1, how do the points of the scatter plot fit the regression line?
c. In your own words, state the primary purpose of: regression analysis.
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Three questions related to correlation and regression answered to the point.
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(a) The sign of the correlation coefficient is the same as the sign of the slope of the regression line.
(b) As the correlation coefficient increases from 0 to 1, or ...
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