Which of the following is correct?
a. A test of significance finds the probability (p-value) of getting an outcome as extreme or more extreme than the one actually observed.
b. An ANOVA is a test of significance for analyzing differences in means between groups.
c. A regression model is a test of significance. This model can model differences in means between groups, but its main application is often to estimate a continuous variable.
d. All of these answers are correct.
e. None of these answers are correct.