Ohio University administrators are interested in knowing whether they have significantly higher scores on PSY2110 final exams than the general population of universities (m = 79.5), and with a standard error of 3.4. After choosing a random sample of 28 students, the administrators found that the average final exam score for that sample was 84.6. (a = .05) a. Find the critical value. (1 point) b. Summarize the data into the appropriate test-statistic. (1 point)