Hypothesis Test for Two Samples

Professor Patty Coleman was in her office at Ivy University contemplating a truism. Both she and her husband Rob worked at Ivy U, but they couldn’t afford to send their twin sons there. They made enough money that they could not get any aid, yet not enough to afford Ivy’s nearly $100K/yr price tag, especially times two. Fortunately, the University of Vermont, the state in which they lived, was much more affordable. Both sons were majoring in materials engineering and planning on going to...