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Problem 2

 

11.7 Finding r-squared the Coefficient of Determination

Concept
Problem 1
Problem 3
Problem 4

Use the crime data above to calculate the correlation coefficient for the variables % unemployed and murder rate. Is there linear relationship? If so is it positive or negative?
Note:
SSxx 27.6855
SSxy 196.001
SSyy 1855.202

Calculate the coefficient of determination, r2 for the problem above and interpret it.
 

 

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