To determine if there is a relationship between grade performance and extracurricular participation, north carolina state conducted a study of 112 students, recording the number of students in each of three extracurricular categories, and each of two grade categories. here are the results: source: felder, et al., "a study of student performance in an introductory chemical engineering course," 1992 asee annual conference proceedings, pp. 1516–1519. the following is the (edited) output of the chi-squared test in this case: