• A team of health sciences students decided on a project that would give them experience with their statistical analysis skills as well as some practice in taking vital signs. They assembled a group of 40 undergraduate students, 20 science majors and 20 majors in other fields of study, brought them to a makeshift clinic in the science building and measured their blood pressures with a hand-held BP cuff.

What type of study is this? _______________________________

What is the most appropriate measure of association to compare the systolic blood pressures between the two student groups? _______________________________

What is the most appropriate statistical test to test the significance of this measure of association? _________________

The science majors SBPs were:

100, 110, 116, 120, 122, 128, 128, 128, 130, 132, 132, 134, 140, 144, 146, 146, 150, 152, 154, 158.

The other majors SBPs were:

112, 118, 120, 126, 130, 130, 130, 130, 140, 142, 144, 144, 146, 150, 158, 160, 170, 170, 172, 190.

Calculate the appropriate measure of association, and test it statistically. You may use the on-line tool found at http://studentsttest.com/. What do the results mean?