A researcher compared three groups with three pairwise t tests. The three groups were urban, suburban and rural residents of New York State. The dependent variable was fear of victimization. The obtained the following results: (a) urban-suburban: t(99) = 0.00, p = .50; (b) urban-rural: t(99) = 2.95, p = .001, (c) suburban-rural: t(99) = 0.53, p = .15. Which comparisons produced statistically significant difference