5. We add all the freshman, 92 + 86 = 178. 6. We add all the sophomores surveyed, 116 + 52 = 168, 7. We add the numbers under the "yes" category, 92 + 116, which is 208. 8. We add the numbers under the "no" category, 86 + 52, which is 138. 11. A marginal frequency is the total of freshman, 222, and the total sophomores are 192. The marginal frequency of freshman are greater than that of the sophomores. (there is no #9, #10, or a table for #12)
