The Analysis of Variance section in computer results for multiple regression
a. compares the means of several variables.
b. tests the overall significance of the regression.
c. tests the significance of each predictor.
d. compares the variances of the variables.
Question 2
In an example in Chapter 10 we found that the relationship between how a student evaluated a course, and that student's expected grade was significant. In this chapter Grade was not a significant predictor. The difference is
a. we had a new set of data.
b. grade did not predict significantly once the other predictors were taken into account.
c. the other predictors were correlated with grade.
d. both b and c