Results from previous studies showed FREE of all high school seniors from a certain city plan to attend college after graduation. A random sample of EDD high school seniors from this cit",r reveals that 162 plan to attend college. Does this indicate that the percentage has increased from that of previous studies? Test at the 5% level of signicance. Compute the z or t 1uralue of the sample test statistic. Operas: 02:13.52 02:1.95 {1 = 1 .545