The purpose of this study was to compare the performance of three teaching modes and age groups of business statistics sections in terms of course exam scores. The research questions were formulated to determine the performance of the students within each teaching mode, to compare each mode in terms of exam scores, and to compare exam scores by age group. The research hypotheses predicted there would be a difference between the three teaching modes and age groups. The results found significant differences in both the online teaching mode for exam 3 and age groups for the mean of the three exams.