Author Question: If the sum of squares for error (SSE) is equal to zero, then the coefficient of determination (r2) ... (Read 72 times)

humphriesbr@me.com · **on:** Jul 24, 2018

If the sum of squares for error (SSE) is equal to zero, then the coefficient of determination (r2) must be:
a. 1.5
b. 1.0
c. 0.0
d. -1.0
e. 100

Question 2

In a simple linear regression problem, if the coefficient of determination is 0.96, this means that:
a. 96 of the y values are positive
b. 96 of the total variation in y can be explained by the regression line
c. 96 of the x values are equal
d. 90 of the total variation in x can be explained by regression line
e. 90 of the total variation in y can be explained by the regression line