Question 1
If a data set has SSR = 400 and SSE = 100, then the coefficient of determination is
◦
0.10
◦
0.25
◦
0.40
◦
0.80
Question 2
If all the points of a scatter diagram lie on the least squares regression line, then the coefficient of determination for these variables based on these data is
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0
◦
1
◦
either 1 or -1, depending upon whether the relationship is positive or negative
◦
could be any value between -1 and 1