The table below shows the midterm mark for two different classes, one conducted online and one taught in person. The professor wants to know if the two different teaching methods have resulted in any difference in grades. Using a = .05, determine if the average for these two classes is different. Class1 Grade Class2 Grade 1 68 A 76 2345678 60 B 80 C 68 72 80 64 81 9 67 10 65 J 11 63 12 67 13 76 14 63 15 64 DEFGHIKLMNO 2656 70 66 75 86 66 85 73 77 71 80 67 80 73 65 What is the hypothesis to be tested?