Universities receive gifts and donations from corporations, foundations, friends, and alumni. It has long been argued that universities rise or fall depending on the level of support of their alumni.The table below reports the total dollars raised during a recent academic year by a sample of major US. universitics. In addition, it reports the percentage of that total donated by alumni.

a. Do these data indicate that total fundraising and alumni contributions are correlated? Test using ff = .05.

b. What assumptions must hold to ensure the validity of your test?