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Assume a Least-Squares Regression Line Is Found to Be Y

Question 55

Multiple Choice

Assume a least-squares regression line is found to be y = -5.73 + 0.282x.The coefficient of determination for these data is 0.64.What is the correlation coefficient?


A) 0.411
B) -0.64
C) 0.80
D) -0.80

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