Intro Discussion and Questions- Regression and Correlation: How does correlation analysis differ from regression analysis? What are...

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Intro Discussion and Questions- Regression and Correlation:

How does correlation analysis differ from regression analysis?What are the goals of each?
What does the correlation coefficient r measure? Be specific.What values can it take on? What do
the values indicate?
What values can the coefficient of determination take on? Whatdoes it measure?
What are some of the limitations of simple linearregression?
Describe the equation for multiple linear regression; be sure toclearly define all of its parts.
In a simple linear regression, the following regression equationis obtained :
? = ???????+?.
?) Interpret the slope coefficient
?) Predict the response if ? = ???.

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a Correlation Analysis a In correlation analysis we calculate the correlation coefficient which is a measure of the degree of covariablity between X and Y b Correlation is merely a tool to ascertain the degree of relationship between X and Y We cannot assign cause and effect relationship between X and Y Regression Analysis a Regression analysis is done to study the nature of relationship between X and Y so that we may be able to predict the value of See Answer

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