_One Way ANOVA_ is used to compare means for three or more groups. * Recall that the Student-t test compares means of two groups. * Why not just use multiple t-tests ...

Examples of problems taken from chapter 3 (Vittinghoff's book http://www.biostat.ucsf.edu/vgsm) using data from the heart and estrogen/progestin study (HERS), a ...