Evan conducts a study comparing the performance of individuals in two different statistics classes taking the same quiz. The scores, out of 100, are provided for individuals in each group.
Class 1: 87, 78, 87, 85, 93, 98, 83, 82, and 73
Class 2: 87, 86, 92, 90, 90, 91, 89, 78, and 76
Given a two-tailed test and a p level of 0.05, based on the value of the t statistic, Nan should _____ the null hypothesis.