If the sum of squares due to regression (SSR)is 60,which of the following must be true?
A) The coefficient of correlation is 0.9.
B) The total sum of squares (SST)is at least 60.
C) The y-intercept is positive.
D) The slope,b,is positive.
E) The coefficient of determination is 0.81.

Question

Quizplus · Accepted Answer

The total sum of squares (SST) represents the total variation in the data. Since SSR is a component of SST (SST = SSR + SSE, where SSE is the sum of squares due to error), SST must be at least as large as SSR, making it at least 60.

If the Sum of Squares Due to Regression (SSR)is 60,which